The stages of translation are a. initiation, elongation, and termination cycles.
Protein synthesis is the process of forming protein molecules involving the synthesis of amino acids that occur in the nucleus and ribosomes. The function of protein synthesis is to form and compile proteins that will be utilized in the body. Protein synthesis consists of two stages, namely transcription and translation.
Translation is the process of translating the genetic code resulting from the resetting of DNA that has been carried by the previous mRNA. Translation consists of three stages: 1. mRNA initiation brings the DNA codons up to the ribosome. 2. Elngation, the codon carried by the mRNA is translated into amino acids. 3. and termination, that is, one of the stop codons meets the ribosome.
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which one of the following statements about reflexes is true? reflexes always have only the one synapse. reflexes always have skeletal muscle as the effector. reflexes are only seen in the somatic nervous system. reflexes require information to be detected by receptors.
Reflexes require information to be detected by receptors, is true.
What is a reflex arc and what does it comprise of?A reflex arc is a special type of neural circuit that begins in sensory neurons in receptors (such as pain receptors in fingertips) and ends in motor neurons in effectors (such as skeletal muscles). Sensory neurons send electrical impulses to relay neurons in the CNS spinal cord. Motor neurons send electrical impulses to effectors. An effector produces a response (muscle contracts to move hand away).
The simplest assembly of the reflex arc consists of receptors, interneurons (or adjusters), and effectors. Together these units form a functional group. Sensory cells transmit input (afferent impulses) from receptors to central interneurons, which in turn make contact with motor neurons.
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What are the basic food and beverage service rules?.
The basic food and beverage service rules include Bringing food to the guest table if it is not a buffet service and serving from the left side.
In order to guarantee the availability of healthy food for human consumption, the Food Safety and Standards Authority of India (FSSAI) was established to laying down scientifically based standards for food items and to regulate their production, storage, distribution, sale, and import. If there is no buffet, bring food to the guest table. In the event of formal dining, serve the food to the guest on their left side. In the event of casual dining, prepare the food plates from the kitchen and place them on the guest table. Ask your guests if they require assistance serving the food. These are some of the basic food and beverage service rules.
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a firefighter breathes in air normally as he enters a building following an explosion and fire. he has a meter that predicts the po2 will approximate 15 mm hg in his tissue fluids as he actively moves about the room.
Hemoglobin saturation of the fire fighter will be roughly one oxygen per hemoglobin, necessitating the use of an external air tank.
Including heavy metals, aldehydes, hydrogen chloride, dichlorofluoromethane, and certain particles, fire fighters are routinely exposed to high concentrations of dangerous substances. The activation of numerous diseases has been linked to many of these elements in fire fighters. The current study aims to investigate how exposure to fire smoke affects serum levels of heavy metals and potential effects on iron functions compounds, total iron binding capacity, transferrin saturation percentage, ferritin, unsaturated iron-binding capacity blood hemoglobin, and carboxy hemoglobin.
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Which of the following statements are true concerning how an influenza virus identifies and infects its target cell? Select all that apply Check All That Apply "Proteins located on the capsid of the virus allow the virus to attach to molecules on the surface of a host cel Most viruses are nonspecific to the type of cells they infect The capsid proteins of a virus may attach to protein receptors on the surface of the host cell To identify a host cell, a virus is able to produce cytoplasmic extensions that are able to fuse with the plasma membrane of Most viruses are nonspecific to the type of cells they infect The capsid proteins of a virus may attach to protein receptors on the surface of the host cell To identify a host cell, a virus is able to produce cytoplasmic extensions that are able to fuse with the plasma membrane of the host cell allowing materials to pass between the host and the virus Upon identification of a specific protein molecule on the surface of the host cell the virus can integrate into the host cell
Answer:
The influenza virus enters the host cell by having its hemagglutinin bind to the sialic acid found on glycoproteins or glycolipid receptors of the host.1. In the first minute of her talk, Earle lists several ways the oceans have changed in the past 50 years because of human impact.
2. What are some of these ways? Earle says, “No blue, no green.” Explain what she means by this.
3. What effect are trawlers having on our oceans?
4. What are National Marine Sanctuaries? Briefly describe them and why we need more than just these sanctuaries.
5. What is Earle’s wish? What is needed to accomplish this?
1. She makes the statement that more than 90% of the large fish in the ocean have been caught and eaten.
2. We cannot have the green land without the ocean and other blue water sources. Earle likens a dry Earth to Mars. Without the ocean, there would be no life on Earth.
3. By effectively rototilling the bottom, trawling disrupts the natural environment of the seafloor.
4. National marine sanctuaries are unique locations that guard critical marine ecosystems across the country.
5. "I wish you would ignite public support for a global network of marine protected areas by using all available tools, including films, expeditions, the Web, new submarines, and a campaign:
What is “No blue, no green"?that the coral reefs are deteriorating and going extinct, nearly half of them. She also talks about how the loss of oxygen is killing off the ecosystem and fauna.
All of the creatures and plants that live at the bottom are harmed, if not completely destroyed, by the disruption of animal burrows and root systems.
Many sanctuaries are home to ancient shipwrecks and other archaeological treasures. Some sanctuaries serve as the breeding and feeding sites for endangered whales.
No water means no life. No blue, no green," declared Dr. Sylvia Earle, a renowned oceanographer, deep sea explorer, and field researcher. Without safeguarding the water and life that cover 71% of the surface of the Earth, we cannot create a more wholesome, sustainable food system.
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Which type of virus can use all host polymerases for transcription and replication?.
Answer:
DNA viruses
Explanation:
Crossing an individual who is homozygous dominant for a trait with an individual whose genotype is unknown will most likely produce which set of offspring?.
All of the offspring will have at least one dominant allele if the parent with the unknown genotype is homozygous dominant.
What kind of cross is used to identify a person's genotype when they possess the trait's dominant characteristics?A testcross looks at an organism's genotype that exhibits the dominant phenotype for a particular trait. An organism with an unknown genotype but a dominant phenotype is crossed with another organism that has the same trait in homozygous recessive form to create a testcross.
In particular, a test cross—a type of breeding analysis—is required to identify the underlying genotype of an organism with a dominant phenotype. Gregor Mendel also created the test cross, which is a crucial tool.
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the ninth week after conception until birth, the period during which the organs of the develping person grow in size and mature in functioning.
By nine week, the fetal period begins and involves the growth and differentiation of anatomical structures. The fetal period lasts until birth.
Ninth week is also considered as first trimester ,the pregnancy hormones at this stage are flooding in the body, which can cause unwell feeling at this stage this is termed as an embryo from conception until the eighth week of development. After the eighth week, it's called a fetus until it's born.
This development occurs inside the uterus which is hollow, pear-shaped organ located in a woman's lower abdomen, between the bladder and the rectum, that sheds its lining each month during menstruation.
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Which of the following correctly ranks the levels of ecological hierarchy from least inclusive tomost inclusive? Organism, Population, Community, Ecosystem, Biome, BiosphereA group of snails (of the same species) lives in a garden that also includes beetles and tomato plants.What level(s) of ecological organization does the group of snails belong to? Select all that apply.
Organism, Population, Community, Ecosystem, Biome, and Biosphere make up the ecological hierarchy in order of least to most inclusive. The snail population is made up of the following groups.
What is a community of creatures from the same species coexisting in a place?A population is a collection of organisms belonging to the same species that are present in the same place and time. Population ecologists examine how populations evolve over time as well as their size, density, and organization.
From smallest to greatest, what are the six organizational levels?Chemical, cellular, tissue, organ, organ system, and organism levels are the six general organizational levels, listed in order of largest to smallest. The smallest and lowest level of organization in a living system is thought to be chemicals, which can range in size from the smallest atoms to the largest macromolecule.
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What is the difference between the biological meaning of adaptation and the common meaning.
The common definition of adaptation is the act or process of changing to better suit a situation, whereas the biological definition is the mechanism by which organisms adapt to new environments or changes in their current environment.
What are the types of Adaptation?1) Adaptations to the Structure
These are the physical characteristics of an organism that aid in its survival in the environment, including the various types of terrestrial habitats. Physical changes are related to physical environment changes.
2) Behavioural Modifications
This is a change that affects an organism's behaviour. This could be due to changes in the surrounding environment or the actions of other species.
3) Physiological Changes
Physiological adaptations, like structural adaptations, involve physical changes in the species. However, physiological adaptations are not always visible in the appearance of the organism. This type of adaptation can be caused by environmental changes or by the behaviour of other species.
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The measurement of ________ compares the density of urine to the density of water.
The estimation of specific gravity looks at the thickness of urine to the thickness of water.
As it goes through the nephrons and down the renal tubules of the kidney, urea, alongside water and other side-effects, makes pee. the two ureters. From the kidneys to the bladder, the urine goes through these minuscule cylinders. The excretory organs eliminate a few extra, habitually toxic mixtures from the circulatory liquids and remove them from the body through urine, which is a fluid or semisolid arrangement of metabolic squanders. Pee frequently mirrors an organic entity's requirement for water with regard to structure.
The distinction between an item's thickness and that of a standard substance is its specific gravity. Contingent upon its worth, the specific gravity could demonstrate whether an item will drift or sink in our reference substance. A research facility test called urine-specific gravity uncovers the centralization of all substance particles in the pee.
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which class of nephron is crucially important in establishing a salt concentration gradient in the kidney so that urine concentration can be regulated?
Cortical nephrons play a critical role in establishing a salt concentration gradient in the kidney, allowing urine concentration to be regulated.
What are Cortical nephrons?The cortical nephron is a microscopic structural and functional unit of the kidney with a short Henle loop that only penetrates the outer renal medulla. These nephrons' Malpighian corpuscles are found in the outer part of the renal cortex. All vertebrates have cortical nephrons. Cortical nephrons account for approximately 85% of all nephrons in the human kidney. They perform the majority of the human body's regulatory and excretory functions. The glomerulus is a small network of capillaries located at the beginning of each cortical nephron in the outer renal cortex. The glomerulus' primary function is to filter blood that enters the renal arterial circulation via an afferent arteriole.
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Design a controlled experiment to test the effect of varying pH, temperature, or enzyme concentration.
Put 5 ml of catalase in the freezer for as long as necessary to achieve total freezing in order to examine how temperature affects enzymes. Afterward, incorporate 1 mL of catalase into 10 mL of 1.5% H2O2 (which is in a 50mL beaker). Observe and document results
One must first run the experiment at room temperature, which will serve as the control group, in order to assess the various effects of temperature on the enzyme concentration. The experiment must then be carried out at various temperatures (both higher and lower than room temperature), and the results must be compared to those obtained at room temperature. The impact of varying pH and enzyme concentration can also be researched.
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describe the four primary tissue types by clicking and dragging each word on the left into the appropriate blanks on the right.
These are the correct arrangement of four primary tissue types to complete the appropriate blanks on the right:
Sentence 1: brain – excitableSentence 2: epidermis – epithelialSentence 3: muscular – contractionSentence 4: connective.What do the correct, completed sentences about four primary tissue types from fill-in-the-blank above?Primary tissues are groups of similar cells that are responsible for specific functions. There are 4 primary tissue types: connective, epithelial, muscle, and nervous tissue.
From the question above, we can arrange the correct, completed sentence as stated below:
“Tissue found in the (brain) that contains (excitable) cells is called nervous tissue.”“Layers of closely packed cells that are found covering or lining body surfaces, as in the (epidermis) of the skin, are called (epithelial) tissue.”“(Muscular) tissue consists of excitable cells that are specialized for (contraction) and found in the heart.”“(Connective) tissue usually has more matrix than cells. Some forms of this are bone, adipose, and blood.”This question is incomplete. The complete question is as follows:
Describe the four primary tissue types by clicking and dragging each word on the left into the appropriate blanks on the right!
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Membrane curvature is influenced by the differential lipid composition of the two membrane monolayers. Which factor do you think has the largest impact on the curvature of biological membranes?.
Size of the lipid head group has the largest impact on the curvature of biological membranes. So option (d) is the correct answer.
The properties of lipid membranes are primarily determined by the lipid composition of the membrane. The size of the lipid head group and glycerophospholipid tail influences the thickness, curvature and shape of the bilayer. For example, phosphatidylcholines have large head groups and form liquid crystalline lipid bilayers. The lipid headgroup becomes conical, which causes lateral strain.
Lipids are any of a variety of organic compounds that are insoluble in water. They include fats, waxes, oils, hormones, and certain components of membranes that function as energy storage molecules and chemical messengers.
Lipids consist of fats, oils, waxes, phospholipids, and steroids.
Complete question:
Membrane curvature is influenced by the differential lipid composition of the two membrane monolayers. Which factor do you think has the largest impact on the curvature of biological membranes?
(a) amount of cholesterol
(b) charge of the lipid head group
(c) length of the hydrocarbon tails
(d) size of the lipid head group
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what are the four privacy torts that still exist today?
Answer: Public disclosure/Private Facts, Intrusion, Misappropriation, False Light.
Explanation:
The four types of privacy torts that still exist today are:
1) Interference with a person's privacy or solitude;
2) Public exposure of humiliating personal information about a person;
3) Publicity that presents a person in a negative light in the media; and
4) Appropriation of the person's name or likeness for the defendant's benefit.
What are privacy torts?An individual's privacy being violated is referred to as a privacy tort. False light, private facts, appropriation, and intrusion are the four main components that make up a privacy tort.
Trespass to reality is not one of the aforementioned but is excluded. People would do well to use the means made available by this clause when they feel that their privacy has been abused. Legal action can be taken to settle disputes rather than resort to violence.
Therefore, the four privacy r torts are Public disclosure/Private Facts, Intrusion, Misappropriation, and False Light.
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which statement about ribosomes is true? a. they are made of dna and proteins b. the ribosomal proteins are made inside the nucleus c. the small and the large subunits assemble in the cytoplasm d. if we treat a ribosome with urea and beta-mercaptoethanol, it will still function
True, the small and the large subunits assemble in the cytoplasm.
What are ribosomes?All cells contain ribosomes, which are macromolecular organisms that carry out biological protein synthesis (mRNA translation). To make polypeptide chains, ribosomes combine amino acids in the order directed by the codons of messenger RNA (mRNA) molecules. The ribosomal subunits are the parts of ribosomes. The ribosomes and accompanying molecules are also referred to as the translational apparatus. Numerous ribosomal proteins and one or more ribosomal RNA (rRNA) molecules make up each subunit (RPs or r-proteins).. A messenger RNA chain is generated from the DNA sequence that determines the order of the amino acids in a protein. Messenger RNAs are linked by ribosomes, which use their sequences to determine the proper organization of amino acids to produce a specific protein. Transfer RNA (tRNA) molecules choose which amino acids to convey to the ribosome and then bind to the messenger RNA chain via an anti-codon stem loop. There is a specific transfer RNA that must precisely match the anti-codon of each coding triplet (codon) in the messenger RNA and carries the appropriate amino acid for incorporation into a developing polypeptide chain. After the protein has been created, it can fold to create a useful three-dimensional structure.
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Is blue eyes genetic or hereditary?.
The laws of genetics nation that eye coloration is inherited as follows: If both mother and father have blue eyes, the kids could have blue eyes. The brown eye form of the attention-shade gene (or allele) is dominant, while the blue eye allele is recessive.
Each parent will skip one copy of their eye color gene to their baby. In this situation, the mom will usually pass B and the dad will always pass b. this indicates all of their children could be Bb and have brown eyes. every baby will display the mother's dominant trait.
Scientists concluded that each blue-eyed person in the sector today can trace their ancestry back to an unmarried ECU who probably lived approximately 10,000 years ago within the Black Sea location and who first advanced a selected mutation that debts to the now considerable iris color.
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which of the following anatomical structures is/are part of the tract within which sperm travels from the testis to outside of the body? check all that apply (letter and answer) A. seminal vesicle B. prostatic urethra C. bulbourethral gland D. ductus deferensE. efferent ductules
Prostatic urethra, ductus deferens, efferent ductules are part of the tract within which sperm travels from the testis to outside of the body.
What is Sperm?In anisogamous modes of sexual reproduction, the male reproductive cell, or gamete, is called the sperm. Red algae and some fungi create non-motile sperm cells known as spermatia, while animals produce spermatozoa, which are sperm cells with a tail known as a flagellum.
What is testis ?The testes are where sperm and testosterone, the main hormone involved in male sex, are produced. Seminiferous tubules, coiling collections of tubes, are found inside the testes.
Hence, Prostatic urethra, ductus deferens, efferent ductules are part of the tract within which sperm travels from the testis to outside of the body.
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of the following alloys pick the one(s) that may be strengthened by heat treatment cold work or both.
a. AZ31B magnesium
b. 6061 aluminum
c. C17200beryllium copper
d. R50500 titanium
e. 304 stainless steel
f. 6150 steel
g. C51000 phosphor bronze
h. lead
The following alloys pick the one(s) that may be strengthened by heat treatment cold work or both is Inconel 600 and nickel 200.
What happen when one will use Galvanic Series?In order to make this prediction one will have to make use of the Galvanic series of metals in seawater table. The closer two metals are in the table the less likely they will corrode. The further away two metals are in the table the more likely they will corrode.
(a) Aluminum and magnesium together, there is possibility of corrosion.
(b) For the zinc-low carbon steel couple, corrosion is possible, and zinc will corrode.
(c) For Inconel 600 and nickel 200, corrosion is unlikely as both alloys appear closer on the table.
(d) The titanium and 304 stainless steel pair, the stainless steel will corrode. As long as it is below Titanium in both its active and passive states.
(e) For the cast iron and 316 stainless steel pair, the cast iron will corrode since it is below stainless steel in both active and passive states.
Therefore, The following alloys pick the one(s) that may be strengthened by heat treatment cold work or both is Inconel 600 and nickel 200.
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a student was studying physical and chemical changes. the student carried out some procedures in the laboratory and recorded observations. for one of the procedures, the student concluded that a physical change took place, but not a chemical change. which of the following could have been the results of the procedure?
In this process Metal was transformed from a physical change of cube into a flat sheet.
A proton is transferred from H2O to NH3 in this acid-base reaction. Heat is created as the process seen above continues. The precipitate's melting point is high. Yes, according to the color changes & bubbles, new metal did indeed arise. A physical phchange in hue and the appearance of bubbles are two indications of a chemical shift.The five elements of chemical change are: color change, precipitate or gas production, gas formation, odor change, and temperature change. Yes, as shown by the change in color and bubbles, new metal did indeed arise. A change in hue and the appearance of bubbles are two indications of a chemical shift. The five criteria of chemical change are: color change, precipitate or gas production, odor change, and physical change.
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In the context of natural selection, fitness refers to reproductive success. the physical health of a population. the physical health of an individual. the variation in traits within the population. mutations that benefit an organism's survival.
In the context of natural selection, fitness refers to mutations that benefit the survival of organisms.
What is natural selection?Natural selection is a theory governing the existence of organisms in a community. This theory was propounded by Charles Darwin and can be summarized as follows:
Only individuals of a species that are physically fit survive in an environment and are able to reproduce and contribute to the future generations of the species.The future generations inherit the fitness genes from the parent.Unfit individuals of the same species gradually fade off the population as they contribute less and less to future generations of the species.Thus, the natural selection theory primarily has to do with the changes that happen at the gene level within individuals which confer their survival in their environment rather than the reproductive success of individuals.
These changes that happen to individuals' genes confer survival are known as beneficial mutations. Some mutations may be harmful and decrease the physical fitness of organisms. Natural selection deselect such mutations and ensure that they do not linger for long in the population.
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starting at a single molecule of 1,3-bisphosphoglycerate, how much atp would be made in glycolysis alone?
In the process of glycolysis, glucose eventually decomposes into pyruvate and energy, yielding a total of two ATP.
Glycolysis: What is it?Glycolysis is the process by which glucose is metabolized to produce energy. It produces two pyruvate molecules, ATP, NADH, and water. Because it takes place in the cytoplasm of a cell, it doesn't require oxygen to occur. Both aerobic and anaerobic organisms experience it.
Sugar molecules are broken down during glycolysis to release energy needed for cellular metabolism. The cell's cytoplasm is where it takes place. The primary goal of glycolysis is to create countless ATP molecules, which are then used for different types of cellular metabolism.
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What are 3 point mutations examples?.
There are three types of point mutations: deletions, insertions, and substitutions. Deletions happen when a nucleotide is removed. Insertions occur when a new nucleotide is added to the genome. Substitutions occur when one nucleotide is exchanged for another.
Which is the best example of mutation?
Cystic fibrosis is an example of a genetic disorder. A single gene mutation causes the body to produce thick, sticky mucus, which clogs the lungs and blocks ducts in digestive organs. Cancer is a disease in which cells proliferate uncontrollably and form abnormal cell masses (called tumors).
What exactly is a point mutation, and how does it happen?
A point mutation is a single base change in DNA. It can occur as a result of natural replication errors or from exposure to carcinogens, which are substances that can cause mutations.
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What is genetic engineering of humans?.
Genetic engineering, also called genetic modification or genetic manipulation, is the modification and manipulation of an organism’s genes using technology.
It is a set of technologies used to change the genetic makeup of cells, including the transfer of genes within and across species boundaries to produce improved or novel organisms. New DNA is obtained by either isolating and copying the genetic material of interest using recombinant DNA methods or by artificially synthesizing the DNA. A construct is usually created and used to insert this DNA into the host organism. The first recombinant DNA molecule was made by Paul Berg in 1972 by combining DNA from the monkey virus SV40 with the lambda virus. As well as inserting genes, the process can be used to remove, or “knock out”, genes. The new DNA can be inserted randomly, or targeted to a specific part of the genome.
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How can textual aids help readers?.
To better understand the main idea of each section, write additional information (text) that is explained in the material. It's hard to tell from photos and illustrations.
What is Text aid and why it Matters?They are educational instruments, tools, or materials to support and facilitate understanding of the text. These are mostly graphic outlines or images that give you a general idea.It helps students understand stories, themes and topics. They emphasize what they focus on. How can Textual Aids help readers?Text aids refer to non-text elements that help the reader understand the content of the text. It also refers to elements that stand out from the body text, such as titles and subtitles, bold, italics, and underlining. Non-textual elements include diagrams, maps, tables, graphs, and charts.
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Which portion of a gene has the greatest effect on the timing and amount of protein produced in a cell?.
The promoters of a gene have the greatest impact on how quickly and how much protein is produced in a cell. RNA polymerase begins transcription of a gene at specific DNA sequences called promoters.
When does the majority of gene regulation occur?Transcription
Transcription, the process by which information from a gene's DNA is converted to mRNA, represents the stage where gene regulation occurs most frequently, though it can occur at any point during gene expression. Proteins called transcription factors become active when cells or the environment send them signals.
The most prevalent method of gene control is transcriptional regulation. Because of the way transcription factors work, each gene can express itself differently in various cell types and throughout development.
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can you match the characteristics with the correct organelle? sort each structure or function depending on whether it describes a chloroplast or a mitochondrion.
The classic role of mitochondria is oxidative phosphorylation, which generates ATP by making use of the strength released at some point in the oxidation of the food we devour.
Mitochondria ( single- mitochondrion) are the power residence of the cellular. it is a double membrane certain organelle where the TCA cycle and oxidative phosphorylation occurs to supply the ATP ( electricity foreign money of the cellular). it's far observed in all eukaryotic organisms and might convert meals electricity into chemical strength saved in phosphate bonds in ATP molecules. CO2 is produced as a byproduct of cell breathing from mitochondria.
Chloroplast is the green pigment-containing organelle in photosynthetic organisms like plants and algae. these organelles comprise a fluid-stuffed area known as stroma wherein membranous sacs called thylakoids are saved stalked. it's miles on this membrane that photosynthetic pigment chlorophyll is observed and this is the website online of light reaction of photosynthesis takes place. darkish response of photosynthesis takes place in the stroma.O2 is released as a byproduct. And photosynthesis converts solar strength into chemical strength saved in chemical bonds in carbohydrates.
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question balance is influenced by the responses cochlea cochlea basilar membrane basilar membrane eardrum eardrum auditory nerve auditory nerve semicircular canals
Your inner ear contains three tiny, liquid-filled tubes called semicircular canals that aid with balance. The fluid in the semicircular canals sloshes around as your head rotates, moving the fine hairs that line each canal.
Your inner ear's loop-shaped canals house fluid and tiny, hair-like sensors that aid with balancing. The utricle and saccule, each comprising a patch of sensory hair cells, are located at the foot of the canals. These cells contain tiny particles called otoconia that assist in tracking how your head moves in response to gravity and other linear motions like riding in a car or going up and down an elevator. The semicircular canals are three incredibly tiny, fluid-filled tubes that are found in the inner ear and are primarily responsible for controlling balance and detecting head position. They are regarded as a component of the body's vestibular system. They are situated in the bony labyrinth of inner ear , a network of cavities in the temporal bone of the skull, along with the cochlea and vestibule, organs connected to hearing.
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What causes DNA to twist in to a twisted ladder or a double helix?.
The DNA backbone, which alternates deoxyribose and phosphate strands, causes the DNA to twist into a double helix or twisted ladder shape.
The DNA's backbone is made up of alternating phosphate and deoxyribose strands. Due to the joining of two strands, it bends. Due of DNA's spatial need, this happens. Histones, a protein, enable it to coil and supercoil. The GC bond possesses three hydrogen bonds, compared to the AT bond's two. More DNA couldn't be present in the nucleus if it uncoil and unfolded. DNA stability is provided by the twisted motif. As a result, it has a twisted shape.
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