what are the three key roles of cell division

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Answer 1

Key roles of cell division are Reproduction, Growth factors and Formation of gametes.

Cell division: The formation of new daughter cells from pre-existing cells by the distribution of genetic material and cytoplasm in the cell is called as cell division. They are of three types: Mitosis, Meiosis and Binary fission.

Key roles: Reproduction and the generation of a new progeny.

Growth factors for overall growth as well as proliferation of the organism. It is also required for the repair and regeneration of the damaged tissues and the organs.

Formation of the gametes to pass the hereditary information to the next generation.

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Related Questions

theory states that behavior is tied to evolution, is strongly affected by biological influence, and is characterized by critical or sensitive periods. multiple choice question. biological ecological ethological behavioral

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The etiology hypothesis expresses that conduct is attached to development, is unequivocally impacted by natural impact, and is described by basic or delicate periods.

The term ethology is a part of the information that arrangements with the character of humans and with its development and arrangement. The logical and objective investigation of creature conduct in regular conditions.

Ethology is an exceptionally tremendous field for an individual or for the individual who needs to safeguard weak species. On the off chance that somebody comprehends the regular ways of behaving of a creature species, one can have the option to protect them.

The term ethology implies investigation of character and the term was first recommended by American myrmecologist William Morton Wheeler in 1902.

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Which of the evolutionary factors are we not testing with the allelea1 program?a. Sexual Selectionb. Condylec. Coronoid Process

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Gene flow is the evolutionary factors are we not testing with the allelea1 program. The correct option is A.

What is evolutionary factor?

The environment's condition changes with time. It is always evolving and changing. The creature evolves continuously as a result of these modifications. Several factors contribute to evolution.

Natural selection, genetic drift, gene flow, and mutation are the four driving forces behind evolution.

Populations are thought to evolve mostly through natural selection. However, there are a number of additional mechanisms of evolution, such as gene flow, genetic drift, and mutation.

Thus, the correct option is A.

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within a plant cell, the glucose formed as a result of photosynthesis may be used directly as? responses an absorber of radiant energy. an absorber of radiant energy. an energy source during cellular respiration. an energy source during cellular respiration. a source of molecular oxygen. a source of molecular oxygen. an enzyme for intracellular digestion. an enzyme for intracellular digestion.

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Within a plant cell, the glucose formed as a result of photosynthesis may be used directly as an energy source during cellular respiration, a source of molecular oxygen, or an enzyme for intracellular digestion.

Cellular respiration is a process in which cells use the energy stored in glucose molecules to produce energy molecules that can be used to power cellular activities. During cellular respiration, glucose molecules are broken down into energy molecules like ATP and NADPH. These energy molecules are then used to power various cellular processes like protein synthesis and transport of molecules into and out of cells.

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Which one of the following is the best index of afterload?
a. Left ventricular end-diastolic pressure
b. Left ventricular mean systolic pressure
c. Pulmonary capillary wedge pressure
d. Total peripheral resistance
e. Mean arterial blood pressure

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The best index of afterload is d. Total peripheral resistance .

Afterload refers to the amount of resistance that the heart must overcome in order to pump blood out into the body.

It is an important concept in cardiac physiology, as an increase in afterload can strain the heart and reduce its efficiency. There are several different measures that can be used to assess afterload, and it is important to choose the best index for a given situation.

Total peripheral resistance is a measure of the overall resistance to blood flow in the body's blood vessels, and it reflects the combined effects of blood vessel diameter, blood viscosity, and blood pressure.

By quantifying the overall resistance to blood flow, total peripheral resistance provides an estimate of the afterload on the heart.

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The nurse receives an order to give atropine 400 mcg SQ. The medication is available in an ampule labeled atropine 1 mg/mL. How many mL should the nurse give?

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The nurse should administer 0.4 mL of atropine to give 400 mcg SQ of the medication.

Atropine is an alkaloid antimuscarinic medication. It working mechanism is through competitive inhibition of postganglionic acetylcholine receptors. It is used in the treatment of nerve agent and pesticide poisonings. It is also used in treating bradycardia, reduce salivation and bronchial secretions.

In the given question, it is stated that 400 mcg of medication should administered.

1 mcg = 0.001 mg

Therefore, 400 mcg = 400 × 0.001 mg = 0.4 mg.

In the ampule 1 mg of atropine is present in 1 mL (1 mg = 1 mL)

Hence for 0.4 mg, only 0.4 mL should be given.

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recessive traits carried on the x chromosome affect the phenotypes of sons more often than those of daughters because:

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Recessive traits carried on the X chromosome affect the phenotypes of sons more often than those of daughters because of a phenomenon known as X-linked inheritance.

X-linked inheritance is a type of genetic inheritance in which a gene is located on the X chromosome and is expressed in males and females differently.

In humans, females have two X chromosomes, while males have one X and one Y chromosome. This means that a gene located on the X chromosome will be expressed in a male if he inherits one copy of the gene from his mother, but not if he inherits it from his father, who does not possess an X chromosome. On the other hand, a female will express a gene located on the X chromosome if she inherits it from either parent.

Since a male has only one X chromosome, if he inherits a recessive trait from one parent, he will display the trait regardless of whether he inherited it from the other parent. This means that traits located on the X chromosome are more likely to be expressed in males than in females.

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How does the repressor “turn off” the lac operon genes? In which organism can we find the three lac operons genes? What is the purpose of the lac operon?

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Answer:

The repressor "turns off" the lac operon genes by binding to the operator, which is located between the promoter and the lac genes. This prevents RNA polymerase from binding to the promoter and transcribing the genes. The lac operon genes can be found in the bacterium Escherichia coli. The purpose of the lac operon is to enable the bacteria to metabolize lactose when it is present in the environment. The lac operon consists of three genes, lacZ, lacY, and lacA, which encode enzymes that break down lactose into glucose and galactose.

Use the information from pages 3 and 4 of the Genetics: the cell lecture complete questions 14, 15, and 16AGGTACGTACTCATG DNA StrandWhich is the correct mRNA strand?AGGTACGTACTCATGUCCAUGCAUGAGUACGTACTCATGCATAGGAGATCACTACGCGTC

Answers

The sequence of the provided strand is UCCAUGCAUGAGUAC . The sequence 5'-CAATTC-3' will therefore be present on the complementary strand. Option A is the appropriate response, so.

The sequence of the provided strand is 5'-GAATTG-3'. The sequence 5'-CAATTC-3' will therefore be present on the complementary strand. Option A is the appropriate response, so. Adenine and thymine form a double bond, while guanine and cytosine form a triple bond. As a result, adenine and thymine and cytosine and guanine are complimentary base pairs. The DNA strand 5' ATCGAACGT 3' has a complimentary sequence of 3' TAGCTTGCA 5'. Due to DNA polymerase's antiparallel construction in the 5' to 3' direction, one of these is known as the leading strand and runs in the 3' to 5' direction.

The complete question is- Use the information from pages 3 and 4 of the Genetics: the cell lecture complete questions 14, 15, and 16 AGGTACGTACTCATG DNA Strand

Which is the correct mRNA strand?

AGGTACGTACTCATG

UCCAUGCAUGAGUAC

GTACTCATGCATAGG

AGATCACTACGCGTC

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what is the large centrally-located organelle visible with a light microscope called? multiple choice question.

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The large centrally-located organelle visible with a light microscope is called the nucleus.

The nucleus is responsible for storing and organizing the genetic material in the form of DNA, as well as controlling the activities of the cell. The other organelles that are visible with a light microscope are the mitochondria, nucleolus, centriole, and Golgi complex.

A light microscope is an optical instrument used to magnify small objects for viewing using visible light. It consists of an objective lens that magnifies the image and an eyepiece lens that further magnifies the image. The light microscope uses visible light to illuminate the specimen and can magnify objects up to 1000x their original size.

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What is the large centrally-located organelle visible with a light microscope called?

a.) Mitochondria

b.) Nucleolus

c.) Centriole

d.) Nucleus

e.) Golgi complex

A mountain lion, or puma, has the scientific name Felis concolor. The term Felis is the

genus

species

family

domain

kingdom

Which is correct

Answers

Answer:

Family

Explanation:

They're all different species but they belong to the cat family

based on these results, you put forward a hypothesis for the inheritance of the purple/white and smooth/spiny traits. according to your hypothesis, which are the two dominant alleles?

Answers

The alleles that express Purple and Spiny are the two dominant alleles.

1st Cross: white spinny x white spinny

F1) 3/4 white spinny

1/4 white smooth

2nd Cross: purple smooth x purple smooth

F1) 3/4 purple smooth

1/4 white smooth

We do not know the parental genotypes, but we might infer them by looking at the results:

1st Cross:

For the color trait both parents and the whole progeny are white. This tells us that the parental genotypes were homozygous for the trait. Still, we do not know if the trait is dominant or recessive, yet.For the textures trait, both parents are spinny, but 3/4 of the progeny is spinny while the other 1/4 is smooth. This tells us that the dominant trait is spinny: not only both parental express it, but also because 3/4 of the progeny express it too. The fact that there is 1/4 of the progeny expressing the smooth trait tells us that both parentals are heterozygous for this trait.

2nd Cross:

For the color trait, both parents are purple, but 3/4 of the progeny is purple while the other 1/4 is white. This tells us that the dominant trait is purple: not only both parental express it, but also because 3/4 of the progeny express it too. The fact that 1/4 of the progeny is white tells us that both parentals are heterozygous for this trait.For the texture trait, both parentals are smooth, as the whole progeny. This tells us that the parentals and the progeny are homozygous for the trait (either dominant or recessive).

Put forward a hypothesis for the inheritance of the purple/white and smooth/spiny traits. These traits are controlled by two autosomal genes that assort independently. Both genes express an autosomal dominant inheritance mode.

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what are the genotypes of the parents with respect to locus 1 (i.e., alleles a and a)?
a. Aa x Aa
b. AA x AA
c. AA x Aa
d. Aa x aa
e. aa x aa

Answers

The genotype of the parents with respect to locus 1 is c. AA x Aa.

In genetics, the locus refers to a specific location on a chromosome where a particular gene is located. When referring to the genotype of a person or an organism, it means the combination of alleles (versions) of a specific gene that they possess.

In this case, the parents are being described with respect to a locus (locus 1) where there are two possible alleles: a and a.

If both parents are homozygous dominant (AA), meaning they have two copies of the dominant allele (a), then their genotype is c. AA x Aa.

If one parent is homozygous dominant and the other is heterozygous (Aa), meaning they have one dominant allele (a) and one recessive allele (a), then their genotype is also c. AA x Aa.

If both parents are homozygous recessive (aa), meaning they have two copies of the recessive allele (a), then their genotype is d. Aa x aa.

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Which sentence most accurately describes how neurons communicate? Select one: O a. Neurons communicate through physical contact between dendrites of one cell and the next cell. O b. Axons of neurons wrap around each other and communicate messages through hormones. O c Electricity passes between neurons, which carries messages between one neuron and another. O d. Neurons send messages up the spinal cord to the cerebral cortex through neural reflexes O e. Chemicals travel from one neuron to another, influencing whether a neuron will fire or not.

Answers

The most accurate about neurons that Chemicals travel from one neuron to another, influencing whether a neuron will fire or not so, option E is correct.

Neurons are the specialized cells  set up in the nervous system that are responsible for transmitting information throughout the body. They admit, process and transmit information in the form of electrical signals. Neurons are the  introductory unit of the nervous system and also are the  structure blocks of the neural networks,

which are networks of  connected neurons. They play an important  part in forming  recollections,  literacy, controlling movements, and other cognitive functions.

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the mlh1 gene is located on chromosome 3 in humans and four different alleles have been identified. the maximum number of alleles a single normal individual can have is:

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Option B is Correct. In humans, the MLH1 gene is found on chromosome 3, and four distinct alleles have been discovered. A single normal person can have a maximum of two alleles.

Mismatch repair protein for DNA The MLH1 gene, which is found on chromosome 3, encodes the protein known as Mlh1 or MutL protein homolog 1. This gene has a reputation for being linked to hereditary nonpolyposis colorectal cancer.

A protein that is crucial for mending DNA is made using instructions from the MLH1 gene. When DNA is replicated (DNA copying) in order to prepare for cell division, this protein aids in the correction of mistakes that are created.

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Correct Question:

he MLH1 gene is located on chromosome 3 in humans and four different alleles have been identified. The maximum number of alleles a single normal individual can have is:

A. 1

B. 2

C. 3

D. 4

the phenotypic ratio resulting from a dihybrid cross of two heterozygote individuals showing independent assortment is expected to be

Answers

This 9:3:3:1 phenotypic ratio is the classic Mendelian ratio for a dihybrid cross in which the alleles of two different genes assort independently into gametes.

Examples of what are gametes?

A hamlet is a tiny community without a village hall or other central house of worship or gathering. Imagine a few houses scattered along a road or at a crossroads, perhaps isolated from nearby towns by a piece of farmland or the surrounding countryside.

Do people have gametes?

In humans, the female zygote is known as an egg, whereas the masculine gamete is known as sperm. The gametes unite to produce a cell known as a zygote. 23 chromosomes are present in human sperm and eggs. 46 chromosomes are found in human zygotes.

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why do you think genentech’s method to produce recombinant insulin worked while biogen’s method did not?

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Biogen used bacteria while Genentech used yeast. The success of Genentech's method to produce recombinant insulin can be attributed to the choice of host organism they used, yeast.

Eukaryotic organism that can more closely mimic human insulin production. In contrast, Biogen used bacteria as the host organism, which is a prokaryotic organism, and Genentech the process of producing recombinant insulin was more challenging in this system. Additionally, Genentech had a better understanding of the yeast expression system, which allowed them to optimize the conditions for insulin production, leading to higher yields and improved product quality compared to Biogen's method. Overall, the Genentech choice of host organism and the knowledge and experience of the production process are crucial factors in determining the success of recombinant insulin production.

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5. using your data, which food had the most amount of kilocalories per gram? based on what you learned about the structure of each macromolecule, why is this true?

Answers

Answer:

Fat

Explanation:

Fat provides the most energy of all the macronutrients, at a whopping 9 calories per gram.

precipitation differs from agglutination in which way

Answers

Precipitation involves the formation of a new solid substance from a solution, while agglutination involves the clumping together of particles without the formation of a new substance.

Precipitation and agglutination are two different processes in biochemistry.

Precipitation is the process in which a solid substance is formed from a solution due to a chemical reaction.

The solid substance (precipitate) forms as a result of the formation of an insoluble compound from two or more soluble components.

Agglutination, on the other hand, is a process in which particles (such as red blood cells, bacteria, or viruses) clump together.

This can occur as a result of a reaction with a specific antibody or other substance. In agglutination, particles are brought together and joined without the formation of a new substance.

Question  should be

In what way does precipitation differ from agglutination?

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two pea plants of rr yy are crossed. what are the phenotypic and the genotypic ratios in the offspring of this cross?

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The offspring of the cross between two pea plants of RR YY will have a phenotypic ratio of 100% round yellow seeds and a genotypic ratio of 100% Rr Yy.

The phenotypic and genotypic ratios in offspring of a cross between two pea plants of RRYY genotype can be determined by considering the inheritance of traits controlled by the alleles present in the parent plants. In pea plants, the dominant R allele codes for round seeds and the recessive r allele codes for wrinkled seeds, while the dominant Y allele codes for yellow seeds and the recessive y allele codes for green seeds.

In a cross between two RRYY pea plants, the offspring will all be heterozygous for both traits (RrYy). The phenotypic ratio of the offspring can be calculated as the proportion of plants expressing each phenotype. In this case, all the offspring will have round and yellow seeds (the dominant traits), so the phenotypic ratio will be 100% round yellow (RrYy).

The genotypic ratio, on the other hand, represents the proportion of plants with each combination of alleles. In this case, the genotypic ratio of the offspring will be 1:1 for RrYy and rryy (50% each).

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Question 6 of 25

Which molecule could be best used as a supply of quick energy?

A. Carbohydrate

B. Lipid

C. Nucleic acid

D. Fatty acid

SUBMIT

Answers

Explanation:

A. Carbohydrate is the best molecule that could be used as a supply of quick energy. Carbohydrates, such as glucose, are broken down into simpler sugars by enzymes in the body and can be quickly absorbed into the bloodstream, providing a quick source of energy for the body's cells.

what is a halotolerant microbe? how do halotolerant microbes differ from halophiles?

Answers

A halotolerant microbe is kind of organism which can be repel very high and. Halotolerant microbes different from the halophiles in that halophiles actually bear a swab to survive and thrive.

while halotolerant microbes can tolerate high  situations don't bear it. These acclimations include the  product of compatible solutes that allow the microbes to maintain their bibulous balance, indeed in the presence of high  swab  attention. Halotolerant microbes play an important  part in the global carbon cycle, as they're  suitable to break down organic matter in extreme  surroundings. also, they can be used as a source of  swab- resistant enzymes for artificial purposes. Overall, understanding halotolerant microbes can help us more understand the global cycles of carbon, nitrogen and other  rudiments.

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in transcription, the energy to attach each successive ribonucleotide to the growing rna chain comes from:

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The hydrolysis of the high-energy phosphate bonds in the nucleoside triphosphates (NTPs) utilised as substrates provides the energy needed to link each succeeding ribonucleotide to the expanding RNA chain.

In particular, the reaction's energy comes from the NTPs' terminal phosphates being broken apart, which releases two molecules of inorganic phosphate (Pi) and creates the matching nucleoside monophosphate (NMP).

The RNA polymerase enzyme is the catalyst for this process, which is referred to as a "nucleophilic assault." The freshly added ribonucleotide and the lengthening RNA chain create a phosphodiester bond using the energy produced during this process.

This incredibly efficient process can happen whenever a nucleotide is introduced to the RNA chain every two seconds.

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often in preliminary experimentation, each factor is restricted to two levels. with the three factors noted, how many experiments would need to be run to cover all possible combinations with each of the three factors at two levels? (note: this is often called a

Answers

About 40 experiments should be conducted. To test every combination with each of the three parameters at two levels, around 8 experiments are required.

According to the multiplication principle, there are n×m possibilities for two events to occur concurrently if one can happen in n different ways and the other can happen in m different ways.

a) Given that the researcher can select between two different catalysts, four different temperature ranges, and five different pressure levels.

Using the multiplication rule, we can find the combinations of these as 2×4×5 = 40.

b) Given that each of the three factors is at two levels. This means that the researcher can select 2 different catalysts, two different temperature ranges, and two different pressure levels.

Using the multiplication rule, we can find the combinations of these as 2×2×2=8.

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The complete question is -

In designing an experiment, the researcher can often choose many different levels of the various factors to try to find the best combination at which to operate. As an illustration, suppose the researcher is studying a certain chemical reaction and can choose four levels of temperature, five different pressures, and two different catalysts

a- To consider all possible combinations. How many experiments would need to be conducted?

b- Often in preliminary experimentation each factor is restricted to two levels. With the three factors noted. How many experiments would need to be run to cover all possible combinations with each of the three factors at two levels? (Note: this is often called a 2³ design).

what is the main difference between the process of subcellular fractionation and the process of density gradient centrifugation when trying to separate the parts of lysed cells?

Answers

To separate subcellular elements, isolate organelles, and distinguish between other cellular components, a method known as cell fractionation is used.

It is a mechanical procedure called centrifugation that uses centrifugal force to separate cellular and subcellular components. Centrifugation is a phase in the cell fractionation process. The separation of organelles based on their physical characteristics during subcellular fractionation employing differential centrifugation helps to simplify proteins.

Dissolving whole cells into their essential components, the cellular organelles, is referred to as subcellular fractionation. To isolate each single organelle to a high level of purity, even if the quantity is minimal, is the main goal for cell biologists.

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Which substance is one of the final products of aerobic cellular respiration? O A. Water O B. Glucose O C. Acetyl-CoA O D. Hydrogen ions​

Answers

Answer:

A. Water

The equation for respiration is:

glucose + oxygen --> carbon dioxide + water

Carbon dioxide is formed during the process of Krebs cycle in aerobic respiration, while water is formed from oxidative phosphorylation

Answer:

water

Explanation:

The relationship between two optical isomers is most like the relationship between _____.

a bare hand and a gloved hand
an open hand and a closed fist
a man’s hand and a woman’s hand
a left hand and a right hand

Answers

D is the answer a left hand and a right hand have a great day

Since optical isomers are of 2 types called Enantiomers and Diastereomers
Enantiomers are non super impossible mirror images to each other. Examples, a man's right and left hand, Gloves

why do mutants incapable of producing endotoxins are much harder to isolate?

Answers

Mutants that can't produce endotoxins are difficult to isolate because they lack the characteristic toxicity associated with endotoxin production, making them harder to identify and distinguish from wild-type bacteria. Additionally, the absence of endotoxins can alter the growth and behavior of the mutants, making them less robust and harder to cultivate in the lab.

Mutants refer to organisms that have undergone a genetic change or mutation, resulting in a different phenotype or characteristic from the wild-type strain. Mutations can arise naturally or can be induced artificially, and they play an important role in evolution and adaptation to new environments.

Endotoxins are toxic compounds that are part of the cell wall of Gram-negative bacteria and are released when the cell dies. Endotoxins are highly stable and can cause severe inflammation and septic shock in humans and animals.

Endotoxins are commonly found in bacterial infections, such as Escherichia coli, Salmonella, and Shigella.

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art A Genetic drift is primarily associated with what size breeding populations? O mid-sized O very small O very large O Genetic drift has the same effect on all population sizes

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A Genetic drift is primarily associated with what size breeding populations and has the same effect on all population size so option D is correct.

It's a natural process of  arbitrary change that can  do in any given population, anyhow of size. Small populations tend to be more heavily affected by  inheritable drift due to their  dropped gene pool, while larger populations tend to be more  softened against the  goods of  arbitrary change. still, anyhow of population size,  

inheritable drift can still have an effect on the allele  frequentness of a population. This is because  inheritable drift is unnaturally a  arbitrary process, and each allele has an equal chance of being passed on or lost over time.

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rue or false: there is a standard antimicrobial procedure available from the centers for disease control and prevention (cdc) that can be used for all different microorganisms under any condition.

Answers

There is a standard antimicrobial procedure available from the centers for disease control and prevention (cdc) that can be used for all different microorganisms under any condition. False. One type of standard antimicrobial procedure cannot be used for all types of microbes.

CDC or center for disease control and prevention is the department of health and community services which is tasked with dealing with various diseases, conducting research, and publishing research results and instructions to the public. The CDC also has laboratory and epidemiological surveillance policies, the Center of Global Health, and work through state and local governments.

Antimicrobials are substances that have the ability to inhibit or kill microbial growth with relatively little toxicity to humans. Antimicrobials include antibiotics (to kill bacteria), antivirals, antiparasitics, and antifungals. Each antibiotic drug content has different abilities and functions and is specific to certain microbes. Therefore one type of standard antimicrobial procedure cannot be used for all types of microbes.

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suppose that a botanist is interested in the effect of light on plants. in an experiment she conducts, 50 individual plants of a single species of flowering plant are grown for 60 days under different lengths of artificial daylight in a greenhouse. the plant species has flowers that can be either white or pink, depending on the genetics of the parent plants. the amount of water and fertilizer provided to each plant is constant. at the end of the experiment, the size of each leaf of every plant is measured. the dependent variable in this experiment is the

Answers

The dependent variable in this experiment is the size of each leaf of every plant.

The dependent variable refers to the variable being measured or tested and is expected to change as a result of the independent variable, which in this case is the length of artificial daylight.

The botanist is interested in the effect of light on plant growth, and therefore the size of the leaves is the outcome being measured and recorded in each of the varying light conditions.

The dependent variable is dependent on the independent variable, and its value is expected to change as a result of the manipulation of the independent variable.

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your coworker now wants to create a method that will take in 3 person objects as parameters and return oldest person. however, this code is failing if one (or more) of the parameters equals null. if one of the parameters is null, the program should return the oldest all non-null people. if all three are null, the method should return null. for example, if the following people were passed as parameters: anne, age 15, grade b null ben, age 10, grade f then the method would return anne. fix the issue with the code think about how you would explain the problem to your coworker The story of Ignatius is significant in that he was willing to go to his death proclaiming: ________ when the text states that marketers need to create tools for ongoing, meaningful measurement of marketing productivity, it is referring to the need for __________.a. subjectivityb. visibilityc. accountabilityd. identificatione. responsibility Which of the following events can create the most significant shift in the demand curve? if a transferor is concerned about shielding his assets from a creditor, which of the following transfer techniques should he utilize? he should create a testamentary bypass trust. he should transfer his assets to an utma for his minor child. he should transfer his assets to a section 2503(c) minor's trust and name an independent trustee. he should execute a payable on death designation on his bank account. an object is subjected to an applied upward force of 10 lbf. the only other force acting on the object is the force of gravity. the acceleration of gravity is 32.2 ft/s2. if the object has a mass of 50 lb, determine the net acceleration of the object, in ft/s2. is the net acceleration upward or downward? By the end of the __________ month, the genitals of the fetus have formed. This shape is being enlarged using a scale factor of 2 and centre (6,3). Work out the coordinates of A' and B'. Y 10+ 9- 8- 7- 6+ 5- 4- 3- 2- 1 0 X 1 2 3 4 A B 5 6 7 8 9 10 you are walking through a vacant lot and encounter a spot where there are more than 30 broken alcohol bottles within a space of hydrophobic molecules group of answer choices are ionic molecules that are attracted to the polar portion of the water molecule are uncharged, nonionic substances that seem to repel water are polar molecules that are attracted to the nonpolar portion of the water molecule are nonionic molecules that are attracted to the nonpolar portion of the water molecule True or false. a slide was added to the trombone during the late part of the baroque period (1400-1650). sample activity on how llang ilang got its name what form of government has all the institutions of a liberal democracy but corrupts them and is usually led by a demagogue? A rectangular monitors size is measured diagonally from one corner to the opposite corner. What is the size of rectangular monitor that is 30 centimeters wide by 24 centimeters hight, to the nearest centimeter? in highway traffic flow studies, it is found that the average speed (miles per hour) depends on the 1d density of cars (vehicles per mile, or passenger cars per mile per lane (pcpmpl)). from the plot it is seen that there are two linear regions. below a density of 50 vpm the speed is nearly constant, and above it decreases linearly with density. a. assume each car carries a charge of 1 mc. what is the current at 50 vpm? A box has length 5 feet, width 8 feet and height 3 inches. Find volume in cubic feet and in cubic inches Q1a) Find dy/dx and d2y/dx2. x=t2+3, y=t2+5t Q1b) For which values of t is the curve concave upward? (Enter your answer using interval notation.) I was able to find dy/dx and d2y/dx2 However for Q1b) I am unsure what is the value of t is when the curve concave upward dy/dx= 2t+5/2t d2y/dx2= -5/4t3 Throughout history, how has the harsh climate of the russian landscape been a benefit to the people? company dept. a dept b. predetermined overhead rate per direct labor hour $2.10 $2.40 $1.80 direct labor hours hours worked on job abc 40 18 22 based on this information, the overhead applied to job abc using multiple predetermined overhead rates is $ Please help me with this question.