do you think a fossil can form anywhere on Earth, or does fossil formation require certain conditions? Explain your answer.

Answers

Answer 1

Fossils can form anywhere on Earth as long as the environmental conditions are right.

What are Fossils?

Fossils are the remains or traces of ancient plants, animals, and other organisms preserved in sedimentary rocks. They are some of the most important evidence used to study the evolution of life on Earth. Fossils help scientists to understand what life was like millions of years ago and how it has changed over time.

Certain conditions are required for fossil formation. Fossils form when the remains of an organism are covered and protected from decomposition, usually by sediment or rock. The organism must be covered and protected quickly in order for the fossilization process to take place. Fossilization also takes a long time, and the fossilization process is highly dependent on the local environment, including the temperature, moisture, and other conditions. Therefore, not all environments are capable of producing fossils.

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Related Questions

T or F once a motor neuron has fired, all the muscle fibers in a muscle contract.

Answers

All muscle fiber doesn't contract when a motor neuron gas fired. The given statement is false.

The neuromuscular junction (NMJ), a synaptic connection where the peripheral nervous system contacts skeletal muscle fibers, is the level at which muscle and nerve communicate. The NMJ controls vital processes like breathing and voluntary movements of the body.

A substance is released by the motor neurons and is then taken up by the muscle fiber. By instructing the muscle fiber to contract, this causes the muscles to contract. Neurons in the spinal cord transmit information from the brain. These signals are sent to the muscles, instructing the muscle fibers to contract, causing the muscles to contract and contract.

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suppose that gene b is x-linked, recessive, and embryonic lethal. a man marries a woman who is heterozygous for this gene. if this couple had many normal children, what would be the predicted sex ratio of these children?

Answers

Mendelian crossover procedures can be used to make observations and anticipate the children's sex ratio. Parents and children share the genotypes XX, XY, XX (b), and X (b) Y.

Given that the b gene is fatal and sex-linked recessive. Due to its sex-related nature, it will be connected to the X chromosome in those who are afflicted or carriers. People who are heterozygous for this gene have offspring.Males have one X and one Y chromosome, whereas females have two X chromosomes. Therefore, a girl who has one affected X chromosome is not considered to have the condition. She'll act as a carrier. Males that have only one affected X chromosome are considered to be afflicted.

The guy has the genotype XY, whereas the lady has the genotype.

The symbol for the cross is XX(b)*XY.

XX X_(b ) Y XX_(b ) X_(b ) Y

In the progeny, there is a 50% probability that the kid will be a girl and a 50% chance that the child will be a boy. Of the two females, one will be a carrier and the other will not have the fatal gene B.

One of the two men will be impacted by receiving an extra copy of the X (b) chromosome from the mother, while the other will not.

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03.8 The antibiotic antimycin IV: Which of the following scenarios you explored in this tutorial is MOST to ever reach Complex SIMILAR to the effects of antimycin A? a)Lack of oxygen (electrons don't leave the ETC) b)Presence of DNP (protons leak through the membrane) c)Starvation (lack of glucose) d)Intense exercise (high ATR utilization)

Answers

MOST to ever reach Complex SIMILAR to the effects of antimycin A is: Lack of oxygen.

What is antibiotic antimycin?

Antimycin A, an antifungal antibiotic that specifically inhibits the metabolic reduction of cytochrome c, has been shown to be lethal against Bacillus megaterium. However, bactericidal effects correlated with the ability of antimycin to impair plasma membrane functions other than cytochrome-mediated respiration. Antimycin almost completely inhibited the concentration uptake of both α-aminoisobutyric acid and α-methyl glucoside and also caused cell death under conditions in which oxygen consumption was not significantly reduced. When present in amounts greater than those required to kill or inhibit Nutrilit uptake, antimycin also induces widespread loss of inorganic phosphate and other substances from whole cells, causing aerobic It inhibited respiration and acted as a lysing agent for isolated protoplasts.

Therefore, MOST to ever reach Complex SIMILAR to the effects of antimycin A is: Lack of oxygen.

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please help

which statement is true about glycolysis?

a. it is the first phase in both aerobic and anaerobic respiration

b. it involves the formation of glucose molecules

c. it describes the breaking of ATP

d. it is the first phase of photosynthesis

Answers

a. it is the first phase in both aerobic and anaerobic respiration

Glycolysis is the first phase of both aerobic and anaerobic respiration, which are two different processes that cells use to produce energy from glucose. During glycolysis, a molecule of glucose is broken down into two molecules of pyruvate, and energy is released in the form of ATP. This process does not involve the formation of glucose molecules or the breaking of ATP, and it is not a phase of photosynthesis, which is the process by which plants produce energy from sunlight.

The human body is organized in a hierarchical arrangement, as shown below. What structure is represented by the second image in the above series?

Answers

The structure represented in the second image refers to the tissue.

How is the body organized?

The human body, despite the fact that it looks like a fairly simple structure, is going to be made up of components that, if you look at them with a microscope, are getting smaller and smaller. Its simplest structure will be the cell, the body will be composed entirely of these that will have different characteristics depending on the place where it is or the tissue it forms. Then each tissue will have its particular characteristic depending on the organ to which it belongs.

Then all the organs will form a system of sectored organs in the different cavities of the body. And everything as a whole will make up the body.

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Use drag and drop to match each part of the nephron with the appropriate function. Part of the nephron Function blank Filtration blank Reabsorption of glucose blank Water reabsorption (counter-current multiplier) blank Water reabsorption (stimulated by ADH) Collecting ducts Proximal convoluted tubule Loop of Henle Glomerulus

Answers

The correct pairs are:

Filtration- Glomerulus

Reabsorption of glucose- Proximal convoluted tubule

Water reabsorption (counter-current multiplier)- Collecting ducts

Water reabsorption (stimulated by ADH)- Loop of Henle

The renal corpuscle is made up of the glomerulus and the bowman's capsule. They are the tube-like portion of the nephron found in the kidneys of mammals. They helped filter blood to create urine, which is then expelled from our systems because it no longer contains the substances we need. A narrow ring of connective tissue holds a glomerulus, a collection of capillary blood capillaries, together.

Renal afferent arterioles produce it.

Blood removal from the glomerulus is carried out by the efferent renal arterioles.

the blood vessel plexus that anastomoses to form the glomerulus.

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How do mRNA and tRNA work together to make proteins? A. tRNA carries the instructions coded in mRNA to the ribosomes where mRNA decodes DNA to make proteins. B. mRNA carries the instructions coded in tRNA to the ribosomes where mRNA decodes DNA to make proteins. C. mRNA carries the instructions coded in DNA to the ribosomes where tRNA decodes the mRNA to make proteins. D. tRNA carries the instructions coded in DNA to the ribosomes where mRNA decodes the tRNA to make proteins.

Answers

The correct answer is C. mRNA carries instructions coded in DNA to the ribosomes where the tRNA decodes mRNA to make proteins.

What is mRNA and tRNA?

Ribonucleic acids, RNAs, are essential components of all living cells. They take part in the protein synthesis. RNAs present in a cell are of three different types; mRNA (messenger RNA), rRNA (ribosomal RNA) and tRNA (transfer RNA). They have been named according to the different functions they perform.

mRNA– they provide a template for gene coding during synthesis of proteins. Site of synthesis is the nucleus in mRNAs. They also carry codons for the process of translation.

tRNA- they carry amino acids to ribosomes for synthesis of protein. tRNAs are produced in the cytoplasm. tRNAs carry anticodons that are specific to particular amino acids.

Therefore, the correct answer is C. mRNA carries instructions coded in DNA to the ribosomes where the tRNA decodes mRNA to make proteins.

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Draw a system model for respiration, show inputs, outputs, storages, and flows of energy and matter

Answers

Here is a possible system model for respiration:

Inputs

Oxygen (O2) from the environmentNutrients (e.g. glucose) from the diet

Outputs

Carbon dioxide (CO2) to the environmentWater (H2O) to the environment

Storages

Energy stored in ATP molecules

Flows

Oxygen and nutrients enter the body and are used in the respiratory system to produce ATP and release CO2 and H2OATP is used by cells to power various functions, such as muscle contraction, ion transport, and protein synthesis

Note: This is a simplified model and does not include all the details and complexities of respiration. It is meant to provide a general overview of the main inputs, outputs, storages, and flows of energy and matter in the process of respiration.

The central nervous system consist of the a. sense organs. b. reflexes. c. brain and spinal cord. d. sensory and motor neurons.

Answers

The spinal cord and brain constitute the central nervous system. The body's processing center is the central nervous system.

The brain and spinal cord are the two components of the central nervous system. This system, which consists of nerve tissues, regulates bodily and mental activities. The peripheral nervous system is composed of nerves that emerge from the spinal cord and cover the whole body. Cerebellum, brainstem, and cerebrum make up the brain (midbrain, pons, and medulla oblongata). Both the peripheral and the central nerve systems make up the nervous system: The spinal cord and brain are parts of the central nervous system.

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Please help, Write a scientific explanation that describes how slope affects the size of a delta?

Answers

Answer:

Streams and rivers are created as water flow down a slope and gather in channels

Explanation:

Please give the brainliest.

Answer: Streams, rivers, watersheds, and stream tables to model their evolution. Watersheds are where water collects and where water flows to the oceans. However, streams and rivers are not just water. They include particles: sand, clay, soil, and more; which are suspended in the water and move with the current or sink to the bottom. Either way they pile up as sediment or erode the river bed as they move, changing the flow and shape of the rivers, streams, and watersheds over time. This can create serious consequences for safety, erosion, production of energy and recreational opportunities; all of which affect the quality of life and health of organism who depend on stream, river, and watershed environments. Knowledge of how water flows and it interactions in streams, rivers, and watershed is also important for our understanding of ecosystems to preserve, restore, and prevent their degradation.

Explanation:

suppose a diploid cell with three pairs of homologous chromosomes (2n = 6) enters meiosis.

Answers

Meiosis occurs normally 3 only. In sexually reproducing organisms, meiosis is a kind of cell division that results in a reduction in the number of chromosomes in gametes.

In sexually reproducing organisms, meiosis is a unique type of cell division of germ cells that results in the production of gametes, such as sperm or egg cells. It comprises two rounds of division, producing four cells with only one copy of each chromosome as a final product (haploid). Additionally, each chromosome undergoes genetic material cross-pollination between the paternal and maternal copies before division, resulting in novel combinations of the genetic code on each chromosome. Later, when a male and a female go through meiosis, the haploid cells they generate unite to form the zygote, another cell with two copies of each chromosome. The most common genetic cause of developmental problems and the primary known cause of miscarriage are errors in meiosis that result in aneuploidy (an incorrect number of chromosomes).

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Suppose a diploid cell with three pairs of homologous chromosomes (2n=6) enters meiosis. How many chromosomes will the resulting gametes have in each of the following cases? Meiosis occurs normally

drosophila fruit flies produce gametes with one of each kind of chromosome. these gametes are called

Answers

Drosophila fruit flies produce gametes with one of each type of chromosome. Gametes are the terms used to describe these cells (diploid, haploid).

Each (heterologous, homozygous, heterozygous, homologous) chromosome has one copy of each (allele, gene). These cells have chromosomes that are (1/2N, N, 2N, and 4N).

The typical fruit fly, Drosophila melanogaster, is just around 3 mm long and 2 mm wide. Its color is yellow-brown (tan). It features a spherical head, three tiny simple eyes, three larger red compound eyes, and short antennae. The size difference between the sexes is marginal.

As a result, the female fruit fly will produce two different types of gametes due to the placement of the two genes w m and w + m+ on the pair of X-chromosomes.

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Which of the following is NOT considered a factor in influencing a reaction rate? temperature o particle size concentration of reactants Орн

Answers

рH is the factor that does not influence a reaction rate.

What is rate of reaction?

Reaction rate or rate of reaction is the rate at which a chemical reaction occurs and is defined as proportional to the increase in concentration of products per unit time and the decrease in concentration of reactants per unit time. Reaction rates can change dramatically.

Reaction rate or velocity can be defined as the change in concentration of one of the reactants or products per unit time.

Rate of reaction = Δconcentration/Δtime

According to the common definition, reaction rate is the speed at which a reaction occurs. For example, burning wood has a fast reaction speed, so the reaction speed is fast, and rusting iron has a slow reaction speed, so the reaction speed is slow.

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Which of the following is not a common risk factor for acid reflux disease?

A.sitting upright after a meal

B.being overweight or obese

C.eating fatty or spicy foods

D.snacking near bedtime

Answers

Among the following that is not a common risk factor for acid reflux disease is (A) sitting upright after a meal.

The correct answer is (A), The condition known as "acid reflux disease" is not caused by sitting upright after eating. Instead, the sickness is caused by lying down after a meal. Consuming food or drink within three to four hours after going to bed increases the likelihood of acid reflux. People who are obese or overweight are typically the ones that are afflicted. The most prevalent ways to contract this disease are by the consumption of foods high in fat or spice, mints, tomato juice, and carbonated beverages.

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which urine characteristics below are indicative of acute tubular necrosis (atn) caused by intrinsic (intrarenal) failure?

Answers

The following sodium levels in urine are considered normal: 40-220 mEq/day or 40-220 mmol/day is the reference range (SI units) >20  mEq/L in spot urine.

In order to identify hyponatremia and differentiate between distinct types of renal failure, urine sodium (Na) analysis is typically required.

40-220 mEq/day or 40-220 mmol/day is the reference range (SI units)

In a patient with acute tubular necrosis, the urine sediment exhibits pigmented, muddy brown, granular casts. Urine electrolytes may additionally aid in distinguishing ATN from prerenal azotemia in addition to the routine urinalysis.

Several medications, including water tablets, may be to blame for an elevated urine salt level (diuretics) Adrenal glands that don't work well. salt loss as a result of renal inflammation (salt-losing nephropathy)

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if 1000 f2 offspring resulted from self-pollination of the f1 generation, how many of them would be expected to have red axial flowers?

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As it is a dihybrid cross, the F2 generation, will have offsprings in the ratio of 9:3:3:1. The dominant phenotype is red and axial, therefore the dominant phenotypes are in the frequency 9/16. So, the total number of such offsprings are (9/16) × 1000 = 562.5 ≈ 562

What is dihybrid cross?

A dihybrid cross is a breeding experiment between two organisms which are identical hybrids for two traits. A dihybrid cross is a cross between two organisms, with both being heterozygous for two different traits.

What is self pollination?

In this process, the pollen grains transfer from the stigma of the same or genetically similar flower. Self pollination can be observed in the legumes such as orchids, sunflowers, peas, peanuts, oats, peaches, potatoes, wheat and others.

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If 1000 f2 offspring resulted from self-pollination of the f1 generation, 562 of them would be expected to have red axial flowers.

What is dihybrid cross?

In a genetics experiment known as a dihybrid cross, the phenotypes of two genes are tracked by the mating of individuals who have multiple alleles at those gene loci. The majority of sexually reproducing organisms possess two copies of each gene, enabling them to harbor two distinct alleles.

The red and terminal flowers on the F1 individuals are heterozygous in nature. The F2 generation will have offspring in the ratio of 9:3:3:1 because it is a dihybrid cross. The frequency 9/16 contains the dominant phenotypes. Therefore, the total number of such descendants is (9/16)*1000=562.

Therefore the f1 generation, 562 of them would be expected to have red axial flowers.

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As discussed in the chapter opener, select all of the characteristics common to individuals with down syndrome.
Multiple select question.
a. increased risk of cardiac defect
b. upwardly slanted eyes
taller than normal
c. ow muscle tone extreme mental dysfunction
d. mild to moderate intellectual disability

Answers

Down syndrome is often referred to as Trisomy 21. The newborn may experience difficulties with their mental and physical development as a result of this additional copy, which alters how their body and brain grow. People with Down syndrome may act and appear alike, yet each one has unique skills.

All races and socioeconomic classes are susceptible to Down syndrome, but older mothers are more likely to give birth to a child with the condition. A woman who is 35 years old has a probability of conceiving a child with Down syndrome of roughly one in 350, and by the time she is 40, her likelihood rises to one in 100.

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Crustaceans larvae is developed into an adult by..

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According to the research, the correct answer is metamorphosis. Crustaceans larvae are developed into an adult by metamorphosis process.

What is Crustaceans larvae?

It is when the Crustacean is just a fraction of what the lobster or shrimp  will be and is characterized by presenting only three pairs of appendages that function as swimming appendages.

In this sense, they are decapods but like other groups of arthropods, during their life cycle they change their appearance and require a process of metamorphosis through various molts or ecdysis processes that give rise to other forms or larvae to reach the adult state.

Therefore, we can conclude that according to the research, the majority of Crustaceans larvae present indirect development, whereby larvae emerge from the eggs developed into an adult by metamorphosis process.

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what is the clue that this pedigree shows inheritance of a sex-linked trait, not an autosomal one?

Answers

Males are affected by the condition at a higher rate than females.

When a female offspring demonstrates a recessive trait and the father is unaffected, as well as when an affected mother has an unaffected son, autosomal traits can also be identified.

What is meant by autosomal traits?

A genetic disorder or trait can be transferred from parent to kid via autosomal dominant inheritance. The genetic disorder can be brought on by one copy of a mutant (changed) gene from one parent. A child has a 50% chance of receiving the mutant gene from a parent who carries it.

A parent's genes should also be examined if a person is diagnosed with an autosomal dominant disease. Marfan syndrome and type 1 neurofibromatosis are two examples of autosomal dominant diseases.

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Consider the model of bacterial resistance to antibiotics. Use the roman numerals (i - iii) to guide you through the steps, describe how a scientists would explain how natural selection contributes to antibiotic resistance.

Answers

Antibacterial drugs are broken down by enzymes, bacterial proteins that are targets for antibiotics are changed, and membrane permeability to antibiotics is altered. These three processes constitute the three basic mechanisms of antimicrobial resistance.

Drug target modification, drug inactivation, drug efflux activity, and drug uptake restriction are the main mechanisms of resistance. These systems could either be innate to the microorganisms or acquired from other microorganisms.

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There are 20 different amino acids. What makes one amino acid different from another? different side chains (R groups) attached to an a carbon different side chains (R groups) attached to a carboxyl carbon different side chains (R groups) attached to the amino groups different structural and optical isomers

Answers

Amino acids can differ from each other due to the different side chains (R groups) attached to the carbon

Amino acids are alkanoic acids containing amino groups and are protein building blocks that function to participate in the biosynthesis of porphyrins, purines, pyrimidines and urea. Amino acids have two functional groups namely – NH2 and – COOH. There are 20 amino acids which are the building blocks of protein. These 20 amino acids have free carboxyl groups and unsubstituted free amino groups attached to the α carbon atom, so they are called α-amino acids.

Amino acids can differ from one another due to different side chains (R groups) which vary in structure, size and electrical charge. Variations in the nature of the R group determine the solubility of amino acids in water or are more hydrophilic compared to nonpolar aliphatic amino acids.

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damage to which of these brain regions would be the most life-threatening? explain your answer.

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The brain stem is the most life-threatening of brain regions. Damage to which of these brain regions would be the most life-threatening because it controls many of the body's functions that are essential for life.

The most life-threatening damage to the brain would be damage to the brainstem. The brainstem is responsible for controlling vital functions such as breathing, heart rate, blood pressure, consciousness, and digestion. Without a functioning brainstem, these vital functions would cease and the person would not survive.

The brainstem is located at the bottom of the brain and is made up of the midbrain, pons, and medulla. The midbrain is responsible for controlling vision, hearing, and motor functions. The pons is responsible for relaying signals between the brain and spinal cord and for controlling sleep cycles. The medulla is responsible for controlling vital functions such as heart rate, breathing, and blood pressure.

Damage to the brainstem can be caused by traumatic brain injury, stroke, tumors, infections, and degenerative diseases. Symptoms of brainstem damage can include difficulty speaking, swallowing, or breathing; loss of sensation or movement in the face and limbs; and difficulty with balance and coordination. Treatment for brainstem damage depends on the cause, but may include medications, surgery, and rehabilitation.

In summary, damage to the brainstem is the most life-threatening brain injury because it controls vital functions such as breathing.

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All cells have these two characteristics: Multiple Choice contain mitochondria and chloroplasts have a plasma membrane and ribosomes In the cytoplasm produce cell wall outside of the plasma membrane contain DNA in the nucleus and have plasma membrane

Answers

The correct answer would be an outer membrane or plasma membrane, cytoplasm, nucleus, ribosomes.

What are eukaryotic cells?

All eukaryotic cells, whether plant or animal contain a well-defined nucleus. It is a membrane-bound cell organelle which contains the genetic material (DNA) of the cell.

All the cells whether prokaryotic or eukaryotic contain cell membrane or the plasma membrane, cytoplasm, and ribosomes. The plasma membrane is usually a lipid bilayer which isolates the cellular contents from its surrounding.

Therefore, The correct answer would be an outer membrane or plasma membrane, cytoplasm, nucleus, ribosomes.

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Which of the statements most accurately describes the benefits of the proofreading function of DNA polymerase?
DNA polymerase is always present in the nucleus and can repair all mutations when they occur.
All DNA mutations can be detected and repaired during DNA replication.
DNA polymerase can repair most mutations as they occur during DNA replication.
DNA polymerase can be recruited to recently mutated sites to repair mutations.

Answers

DNA polymerase can repair most mutations as they occur during DNA replication.

What is DNA polymerase?

A particular kind of enzyme called DNA polymerase (DNAP) is in charge of creating fresh nucleic acid molecules that are copies of the original DNA. Polymers are huge compounds consisting of smaller, repeating units that are chemically linked to one another. Nucleic acids are polymers. For eukaryotes, DNA polymerases like Rev1 and Polymerases α, β,  are only a few examples. DNA polymerases are present in animal cells and are in charge of replicating DNA in the nucleus and mitochondria.

What is the role of DNA polymerase?

DNA polymerases' major function is to efficiently and properly replicate the genome in order to maintain the genetic code and ensure that it is faithfully passed down through the generations.

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a scientist designs an experiment to test the effect of fertilizer on the height of sugar cane. two fields are fertilized and two other fields are not. what is the control group in this experiment?

Answers

An experiment is created by a scientist to determine how fertiliser affects sugar cane height. Two fields receive fertilization, but the remaining two do not. Fertilizer Application serves as the experiment's control group.

Fertilizer Application is typically limited to irrigated plantations and varies by region and even by farmer. Fertilizers will work best if used between 12 and 24 months before and after the peak growing season. One year after planting, farmers typically spray 50 kg of urea and 50-100 kg of DAP per acre. Since Casuarina manufactures its own nitrogen with the aid of the bacterium Frankia, it does not require a significant amount of nitrogen fertiliser. In order to prevent this, it is advised to apply 11 kg of urea and 94 kg of superphosphate at moderate level.

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drag the correct labels onto the nucleotides in the rna transcript. not all labels will be used.

Answers

During transcription a new mRNA molecule is synthesized by complementing a fragment of the DNA template strand. In the exposed example, the correct labels in the blanck spaces are (from left to right): U - C - G - A.

What is transcription?

Transcription is the process through which mRNA molecules are synthesized in the nucleus.

This event uses a fragment of the DNA template strand to grow a new mRNA complementary molecule. These DNA segments carry the necessary information to build a new protein. mRNA copies this information and takes it to the cytoplasm, where protein synthesis occurs.

mRNA nucleotides include

adenine (which pair with DNA thymine), uracyl (which pairs with DNA adenine), guanine (which pairs with cytosine), and cytosine (which pairs with guanine).

Notice that RNA molecules do not have thymine. This base is replaced by uracyl.

In the exposed example, we have a growing mRNA and we need to place the correct nucleotides to complement the DNA template strand.

DNA template strand:  T  A  G  C  T  T  A  A  C

       mRNA molecule:  A  U  C  G  A  A  U  U  G

the correct labels in the blanck spaces are (from left to right): U - C - G - A

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which feature is peculiar to retroviral vectors and not shared with adeno-associated viral (aav) vectors used in gene therapy?

Answers

Packaging cells do not make active viruses because helper DNA lacks packaging sequences and therapeutic DNA lack essential viral genes.

A key component of gene therapy is the genetic modification of cells to have a therapeutic effect or the repair or reconstruction of damaged genetic material in order to treat disease. Although Martin Cline made the first effort to alter human DNA in 1980, the National Institutes of Health-approved first nuclear gene transfer in humans was carried out in May 1989.

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what is the correct order for the following events in the interaction of a cell with a signal? (1) alteration of cell function, (2) signal binds to receptor, (3) signal released transported to cell, (4) signal transduction

Answers

The following events in the interaction of a cell with a signal should occur in the correct order, which is 3241.

signal released transported to cell - signaling in synapses. The transmitting cell's axon ends in vesicles that release neurotransmitters. It diffuses through the tiny space between the transmitting and the target neurons before attaching to receptors on the latter.

signal binds to receptor - A chain of events is started when a signaling molecule binds to the right receptor on a cell surface, which not only sends the signal inside the cell but also amplifies it. Signaling molecules can be transmitted between cells by cells.

Signal transductions - A cellular response is produced as a result of a process known as signal transduction, which involves the transmission of a chemical or physical signal through a cell as a series of molecular events, most frequently protein phosphorylation catalyzed by protein kinases.

alteration of cell function - As with cell multiplication, cell necrosis or apoptosis, and cell differentiation, which occur at the cellular level, changes might be quantal (binary), either all or none.

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Detergent is used in the DNA isolation process because Group of answer choices it facilitates homogenization. it allows the precipitate to form. it stabilizes the DNA. it binds the negative ends of DNA. none of the answer choices are correct

Answers

Because detergent makes homogenization and DNA stabilisation easier, it is employed in the DNA isolation process.

Humans and nearly all other species carry their genetic information in DNA, also known as deoxyribonucleic acid. The DNA of an individual can be found in almost all of their cells. The majority of DNA is found in the cell nucleus (where it is known as nuclear DNA), but there is also a tiny quantity of DNA in the mitochondria (where it is called mitochondrial DNA or mtDNA). Cellular organelles called mitochondria transform the energy from food into a form that can be utilised by cells.

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a culture of yeast grown under anaerobic conditions is exposed to oxygen, resulting in a dramatic decrease in glucose consumption by the cells. this phenomenon is referred to as

Answers

When an anaerobic yeast colony is exposed to oxygen, the amount of glucose that the cells consume falls dramatically. The Pasteur effect is the name given to this phenomena.

It has not been thoroughly investigated whether Pasteur's discovery that respiration and glycolysis are related, and that oxygen consumption inhibits glycolysis, is true. The crucial role of oxygen lies in the conservation of nutrients while the usable energy production per molecule of glucose is rendered large—this is referred to as the "Pasteur effect." The Crabtree effect is the opposite of the Pasteur effect (oxygen-induced inhibition of glycolysis) (suppression of respiration by high concentration of glucose or fructose).

The fermentation process is inhibited by oxygen due to the Pasteur effect. Louis Pasteur demonstrated the phenomenon in 1857 and demonstrated that aerating yeast broth promotes an increase in yeast cell development while decreasing the pace of fermentation. Summary. The "negative Pasteur effect," which affects yeasts, is the topic of the current paper. the enhancement of alcoholic fermentation in the presence of elementary molecular oxygen and its inhibition under anaerobic conditions. All of the Brettanomyces strains that were tested had this effect clearly confirmed.

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What type of metamorphosis do hive beetles undergo?a. completeb. incompletec. mesocomplete Which of the following represents alpha decay?OA. 100Eu+ge 16Sm150>>OB. 100GdOC. Tc-TC+yOD. 14Gd-14Sm+ He>>>100Tb + e65 A company hired a psychologist to assist their employees in their personal problems. The psychologist kept 1 Ale for each person they helped. Eight (8) employees sought out help for drug-related problems. Fifteen (15) employee needed help for family crisis problems. And twenty-two(22)employees needed help for miscellaneous. reasons. The numbers are summarized below. A. If one of the files is selected at random, what is the probability that it would involve a drug-related case? Interpret this probability. 8. If one of the files is selected at random, what is the probability that it would involve a miscellaneous case? Interpret this probability. C. If one of the files is selected at random, what is the probability that it would involve a drug-related case or a family crisis case? Interpret this probability. Which of the following statements is true about delegation of authority in the context of an organization?A.It does not relieve a superior of accountability for a delegated job.B.It does not give employees the power to make decisions about using resources to accomplishassigned tasks.C.It does not hold an employee to whom the authority was delegated accountable for the results of atask.D.It is meant to put additional pressure and burden on managers who are delegating tasks tosubordinates.E.It is a concept popular only in small businesses and sole proprietorships cybersecurity is of major concern these days. it is rare the large institution that has not received a virus or is attacked on the internet. a network attack may occur by compromising multiple systems which are then used as platforms to mount a distributed attack. the victims send their responses to the spoofed addresses of the compromised system, not to the attacker. the compromised systems are chosen at random by the attacker. assume that an attacker is selecting spoofed ip addresses from n total addresses. further, assume that a network sensor monitors n ip addresses. the attacker sends k packets to the victim. a packet is the basic data part of the internet. (i) what is the probability of detecting an attack? (ii) what is the probability of seeing j packets? Chi-Square Goodness-of-Fit Test with G TestA new casino game involves rolling 3 dice. The winnings are directly proportional to the total number of sixes rolled. Suppose a gambler plays the game 100 times, with the following observed counts:Number of Sixes Number of Rolls 0 481 352 153 2The casino becomes suspicious of the gambler and wishes to determine whether the dice are fair. What do they conclude? Tyler has very positive relationships with his peers. He identifies strongly with them, is well liked, and confides closely in his best friends. Research shows that adolescents like Tyler tend to have: A. Insecure relationships with their parents, because they focus more on their friends B. Close and secure relationships with their parents as well C. Closer relationships with their same-sex parent that with their opposite-sex parent D. Insecure relationships with their parents, so they use their friends to compensate which condition in a 14-year-old patient prompts the nurse to suspect decreased function of the pituitary gland? economic welfare is generally measured by (i) profit. (ii) total surplus. (iii) the price consumers pay for the product. a. (ii) only b. (ii) and (iii) only c. (i), (ii), and (iii) d. (i) and (ii) only At the circus, the McCartney family bought bags of cotton candy and funnel cakes for. The Lennon family bought bags of cotton candy and funnel cakes for. Which system of equations could be used to find the cost of each item? All surface encumbrances must be removed or supported within:______. In the figure to the right, if the economy is at point a, the appropriate monetary policy by the federal reserve would be to which of the following statements about fluid balance during and after exercise is false? PLSSSSSS HELPPP PLS IM TIMED PLS 30 POINTS ILYSMMMFILL IN THE BLANKS VOCAB: cuada | cuados | hermana | hermanas | hermano | hijos | mam | mam | mam | padres | paps | primos | sobrinos | sobrinos | tosKelly: Buenas tardes, Ricardo.Ricardo: Hola Kelly. Acabo de hablar con mi familia en Mxico. Es el cumpleaos de mi (1)*FILL IN THE BLANK* y todos estn reunidos ahora en su casa para celebrarlo. Kelly: Qu divertido! Es una fiesta grande? Ricardo: Pues ms o menos. Tengo un (2) *FILL IN THE BLANK* y tres (3) *FILL IN THE BLANK* mayores. Todos estn casados y tambin todos tienen por lo menos dos (4) *FILL IN THE BLANK*. Cuando se renen en casa de mis (5) *FILL IN THE BLANK* para celebrar, a veces hay hasta quince personas o ms platicando, cocinando, comiendo y pasando un buen rato. Muchos (6) *FILL IN THE BLANK*, (7) *FILL IN THE BLANK* , (8) *FILL IN THE BLANK*, mis (9) *FILL IN THE BLANK* y mi (10) *FILL IN THE BLANK* se renen para celebrar. Tienes una familia grande? Kelly: Tengo una hermana menor que vive en California y mis (11) *FILL IN THE BLANK* que viven a dos horas de mi casa. Cuando nos reunimos para celebrar, siempre hay personas platicando, cocinando y comiendo pero tambin hacemos otras cosas como ver pelculas o jugar juegos de mesa. Mi (12) *FILL IN THE BLANK* es soltera todava, entonces nuestras reuniones familiares son un poco ms tranquilas. Ricardo: Eso es un poco diferente. Mi familia es muy ruidosa y siempre hay historias, chistes y chismes que se comparten. Adems, algunos de mis (13) *FILL IN THE BLANK* todava son pequeos, as que puedes imaginarte a nios corriendo y gritando por todas partes? Kelly: S. Me imagino que no hay mucho silencio pero qu divertido debe ser! Me alegra que hayas podido comunicarte con tu (14) *FILL IN THE BLANK* . Debo irme a hacer lo mismo. Ricardo: Saldame a tu (15) *FILL IN THE BLANK*! the men's warehouse charges 1.6 percent interest per month. what rate of interest are its credit customers actually paying? Income Statement with Variances Alvarado Company produces a product that requires 3.0 standard pounds per unit at a standard price of $6.00 per pound. The company used 23,900 pounds to produce 8,000 units, which were purchased at $6.20 per pound. Each unit requires 7.5 standard direct labor hours per unit at a standard hourly rate of $22.50 per hour. For the 8,000 units produced, 60,200 hours were needed and employees were paid an hourly rate of $21.95 per hour. The company uses a standard variable overhead cost per unit of $1.45 per direct labor hour. Actual variable factory overhead was $85,900. The company uses a standard fixed overhead cost per unit of $2.00 per direct labor hour at 55,000 hours, which is 100% of normal capacity. Prepare an income statement through gross profit for Alvarado Company for the month ended March 31. Assume Alvarado sold 8,000 units at $250 per unit. For those boxes in which you must enter subtractive or negative numbers use a minus sign. If an amount box does not require an entry, leave it blank. Alvarado Company Income Statement Through Gross Profit For the Month Ended March 31 which of the following genes is associated with mutations that increase human adaption to high altitude? (3 pts) The following is one Lewis structure for the SeO42- ion (selenate ion): Draw three ofthe resonance structures for this ion (there are more than three possibilities). '0: 0-Se-o: 'O: Suppose the value of b is false and the value of x is 0. What is the value of each of the following expressions? a. b && x = = 0 b. b || x = = 0 c. !b && x = = 0 d. !b || x = = 0 e. b && x != 0 A person walks into a room that has, on opposite walls, two plane mirrors producing multiple images. Find the distances from the person to the first three images seen in the left-hand mirror when the person is 5.00 ft from the mirror on the left wall and 10.0 ft from the mirror on the right wall.