Calcium ions are released by the sarcoplasmic reticulum in response to action potentials that travel along the transverse tubules.
Sarcoplasmic reticulum quizlet releases what?The contraction is started by the release of calcium from the sarcoplasmic reticulum. The contraction is started by the sarcoplasmic reticulum releasing sodium. The inside of the skeletal muscle fiber is where action potentials travel.
What triggers the release of calcium ions from the sarcoplasmic reticulum?In order to bind to receptors on the sarcolemma, acetylcholine diffuses across the neuromuscular junction. The action potential is produced as a result of depolarization. The sarcoplasmic reticulum releases calcium ions in response to the action potential, which travels deep inside the cell.
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What larynx is called in the human body?.
The larynx in the human body is called as Voice Box.
The larynx is a hollow tube which is connected to the pharynx, also called throat which is in turn connected to the whole body. Larynx helps to swallow smoothly and it also contains vocal chords. These vocal chords vibrate which helps humans to speak through voice created by the vibrations.
Furthermore, larynx is also involved in other functions such as breathing, producing sound and protecting the trachea. This larynx contains three parts in its cavity called as vestibule, the middle, and the infraglottic space. Vestibule is the upper portion of the cavity followed by the middle and infraglottic.
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FILL IN THE BLANK. the food you eat is processed during cellular respiration to produce stored chemical energy in the form of ___, ___, and ___ as by-products.
The food you devour is processed for the duration of cellular respiration to produce saved chemical power in the shape of ATP molecules, CO2, and H20 as by-means of-products.
In our body, glucose is the form of electricity that is carried in our blood and taken up with the aid of every one of our trillions of cells. Cells do cellular respiration to extract power from the bonds of glucose and other meal molecules. Cells can shop the extracted electricity inside the shape of ATP (adenosine triphosphate).
Through the method of cellular respiration, the power in meals is converted into electricity that can be utilized by the frame's cells. during cell respiration, glucose and oxygen are converted into carbon dioxide and water, and the energy is transferred to ATP.
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ATP molecules, carbon dioxide, and water are produced as by-products.
Thru the technique of cellular respiration, the strength in food is modified into power that can be utilized by the frame's cells. Cellular respiration is a sequence of chemical reactions that break down glucose to produce ATP, which may be used as energy to strengthen many reactions at some point in the frame. There are three major steps of cell respiratory: glycolysis, the citric acid cycle, and oxidative phosphorylation.
But essentially, the process is referred to as cellular respiration because the cell seems to “respire” in a way that it takes in molecular oxygen (as an electron acceptor) and releases carbon dioxide (as an give-up product).
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one of the first mirna that was discovered by scientists involves the lin-4 gene of c. elegans. the product of the lin-4 gene is which of the following?
Because a miRNA is equivalent to the lin-14 mRNA, it prevents the lin-14 gene from being translated.
The proper timing regulation of many postembryonic developmental stages in C. elegans depends on lin-4. When LIN-14 protein levels are adversely regulated by lin-4, a temporal decline in LIN-14 protein begins during the first larval stage (L1).
MicroRNA primarily regulates gene expression by binding to messenger RNA in the cytoplasm of the cell. The designated mRNA will either be destroyed & its elements recycled, or it will be kept and translated later, rather than being promptly translated into a protein.
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In a human karyotype, chromosomes are arranged in 23 Paris. If we choose one of these pairs, suck as pair 14, which of the following do the two chromosomes of the pair have in common? Length, centromere position, staining pattern, and traits coded for by their genes. You just studied 42 terms!
chromosomes are arranged in 23 pairs, If we choose one of these pairs, such as pair 14, the two chromosomes of the pair will have the same chromosome length, centromere location, features, and staining pattern. in common
The human karyotype consists of 23 pairs of chromosomes. From the entire karyotype he picks out a pair of chromosomes that show some similarities or share some common features.
The two chromosomes are present in an autosomal pair (22 in humans) and a sex-linked chromosome that is distinct from other autosomes.
Any two of her chromosomes in a chromosome pair, such as chromosome 14, are similar in shape and size, staining patterns on both chromosomes, and important traits where they encode the same trait.
This chromosome pair has the same chromosome length, centromere location, features, and staining pattern.
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After gel electrophoresis is complete for a crime scene sample, what must be done in order to analyze the results?.
Answer: After the electrophoresis is complete, REMOVE the gel and casting tray from the electrophoresis chamber and VISUALIZE the results. No staining is necessary.
On the lines provided, enter the name of the target organ(s) affected by the pituitary hormone indicated. Hypothalamic nerve call Posterior pituitary Anterior pituitary Growth hormone (GH) 10 Antidiuretic hormone (ADH) Adrenocorticotropic hormone (ACTH) Thyroid- stimulating hormone (TSH) Oxytocin (OCT) Prolactin (PRL) Gonadotropic hormones (FSH, LH) Melanocyte stimulating hgfa (MSH)
Produced by the anterior pituitary. It's regarded as a tropical hormone. Target cells are impacted by tropical hormones indirectly after being stimulated.
The anterior pituitary gland affects which organs?The following organs, glands, and bodily tissues are affected by and interact with the anterior pituitary hormones: organs, muscles, and bones the growth hormone (GH). Adrenocorticotropic hormone: Adrenal gland (ACTH). thyroid hormone, which stimulates the thyroid gland (TSH).
What are the anterior pituitary gland's seven hormones?Frontal pituitary
hormone adrenocorticotrophic (ACTH)
hormone that stimulates the thyroid (TSH)
Luteinizing agent (LH)
hormone that stimulates ovulation (FSH)
Prolactin (PRL) (PRL)
hormonal growth (GH)
MSH, or melanocytic-stimulating hormone
Because it releases hormones that regulate the thyroid, adrenal glands, ovaries, and testes, the pituitary gland is frequently referred to as the "master gland."
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All of the following cell components are found in prokaryotic cells EXCEPT
a. DNA
b. ribosomes
c. cell membrane
d. nuclear envelope
e. enzymes
d. nuclear envelope
With the exception of the nuclear envelope, prokaryotic cells have all of the following cell components.
What cellular elements are found in all prokaryotic cells?All prokaryotes lack membrane-bound organelles but do have cytoplasm, ribosomes, a cell wall, and DNA. Polysaccharide capsules are also common. Diameters of prokaryotic cells range from 0.1 to 5.0 m.
Are prokaryotic cells DNA-based?A free-floating, typically circular chromosome that is not protected by a nuclear membrane is seen in prokaryotic organisms, including bacteria. The nucleoid, a part of the cell, is where the DNA merely resides. Only prokaryotic cells have mesosomes, which are folded portions of the plasma membrane.
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Answer:
Nuclear envelope
Explanation:
Simpler answer to the one above.↑↑↑
one morphological feature of modern cetaceans is a vestigial pelvic girdle. if it is determined that cetacean lineage diverged from the artiodactyls' lineage after the divergence of pigs and other artiodactyla, then what should be true of the vestigial pelvic girdle of cetaceans?
It should be considered a shared derived character of the Cetacens.
What do you mean by Cetacens ?
Cetacens can be defined as an infraorder of aquatic mammals that includes whales, dolphins, and porpoises. The Characteristics include : fully aquatic lifestyle, streamlined body shape, often large size and exclusively carnivorous dietThey are separated into two groups: toothed and baleen whales. It should be considered a shared derived character of the cetaceans.They are an order of mammals that originated about 50 million years ago in the Eocene epoch.This is how the characteristics can be determined.
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How is the coordinated transcription of all the genes involved in a particular metabolic pathway brought about in eukaryotes?.
The genes all have the same combination of control elements in their enhancers is how the coordinated transcription of all the genes involved in a particular metabolic pathway brought is about in eukaryotes .
A fundamental concept in the regulation of gene expression in eukaryotes is the coordination of transcription and RNA processing. In the case of mRNA, coordination is primarily based on a co-transcriptional processing mechanism in which a developing precursor mRNA is matured by the transcription apparatus through cleavage and modification. The biosynthesis of rRNA is controlled by a similar process. However, it is still unclear how the transcription and processing of the relatively short tRNA transcript are coordinated. Human RNA polymerase III high molecular weight initiation complexes assemble on tRNA genes and convert precursor transcripts into mature forms. The removal of the 5' leader of the precursor tRNA by RNase P is one example of the co-transcriptional processing that these multifunctional initiation complexes might facilitate.
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if a splice site were mutated so that splicing did not take place, what would be the effect on the amino acid sequence?
If a splice site was altered, preventing splicing, the resulting effect just on mRNA would've been longer than usual.
a genetic change to the DNA sequence which takes place when an exon as well as an intron meet. This alteration may interfere with mRNA splicing, causing exons to be lost or added, and altering the protein-coding sequence. The spliceosome separates introns from the pre-mRNA during splicing, and exons are then spliced back together. The RNA will be translated into an inactive protein if the introns were left in place. A cis-acting splice element point mutation can vary whether an exon is skipped or included by altering how well or poorly it binds to splicing factors / inhibitors. A novel cis-acting element that is situated in the center of an exon or perhaps an intron can be created by a point mutation.
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1 eq br2 acetic acid draw the structure(s) of the major organic product(s) of the following reaction.
Br2 = +1 eq. acetic acid. The concept of stereochemistry is not required. Draw each significant product that is conceivable, if there are any. For each of the following reactions, identify the main organic product. (Minor or inorganic side products don't necessarily need to be drawn.) Br2. Br + NaOH + hv.
What does food acetic acid do?Vinegar, which includes 4 to 18% acetic acid, is primarily made up of acetic acid. It serves as a food ingredient and preservative (known as E260)
What are the adverse effects of acetic acid?The most frequent adverse reactions to acetic acid are moderate stinging or burning at first use.
Serious adverse reactions from acetic acid can include hives, breathing problems, and facial swelling.
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Is another name for the larynx and the importance it plays in the human body?.
The larynx in the human body is also called as Voice Box.
The larynx is a hollow tube which is connected to the pharynx, also called throat which is in turn connected to the whole body. Larynx helps to swallow smoothly and it also contains vocal chords. These vocal chords vibrate which helps humans to speak through voice created by the vibrations.
Furthermore, larynx is also involved in other functions such as breathing, producing sound and protecting the trachea. This larynx contains three parts in its cavity called as vestibule, the middle, and the infraglottic space. Vestibule is the upper portion of the cavity followed by the middle and infraglottic space.
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the nucleocapsid is composed of multiple choice dna and rna and protein. dna or rna, and protein. protein located in the nucleus. nucleic acid in the ribosome. dna or rna, lipid, and protein.
The nucleocapsid is composed of DNA or RNA and protein.
In the cytoplasm, nucleocapsid assembly takes place. N, P, and L proteins, along with genomic RNA, make up the nucleocapsid. M is contacted by the nucleocapsid as it moves to the plasma membrane. Viruses emerge from the PM. Until extracellular, trypsin-like proteases cleave F0, virus particles containing the uncleaved form of the protein are not infectious.
Remember that the hydrophobic fusion peptide at the N-terminus of F2 is released during F cleavage, which is an essential maturation step for fusion to an uninfected cell.
The amino acid sequence at the cleavage site determines where in the cell the F cleavage occurs.
The F proteins of the measles and canine distemper viruses are cleaved in the ER/Golgi by cathepsin- or furin-like proteases. Thus, the infected animal is susceptible to these viruses in a variety of tissues.
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What type of reaction involves adding water to break the bond between two monosaccharides?
a. Oxidation
b. Reduction
c. Condensation
d. Hydrolysis
The hydrolysis reaction involve in addition of water to break the bond between two monosaccharides. They are usually means the cleavage of chemical bonds by the addition of water.
What is monosaccharides ?Monosaccharides, are the simplest forms of sugar and the most basic units from which all carbohydrates are built, example They are usually colorless, water-soluble, and crystalline solids they are simple sugars or glucose and fructose.
Therefore the correct option is hydrolysis. D
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What happens to a person’s metabolic
rate if they switch from a sedentary lifestyle to an active lifestyle? Why?
What changes are happening on a molecular/cellular level?
The molecular and cellular rates will increase if the person switches from a sedentary lifestyle to an active lifestyle. The cell will get proper oxygen, and proper metabolism will happen.
What is cellular metabolism?Cellular metabolism occurs when the cell gets proper oxygen and glucose and can convert the glucose into ATP through proper oxidation. If the cellular metabolism is not maintained, it will cause obesity and other diseases. Muscle function improves when a person adopts an active lifestyle that includes exercise and a healthy diet. Cellular activity will increase with proper blood circulation.
Hence, The molecular and cellular rate will increase if the person switches from a sedentary lifestyle to an active lifestyle.
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What tool do geneticists use to determine the mathematical probability of the potential combinations of genotypes that can occur in offspring, given the genotypes of the parents?.
A Punnett Square is a tool that uses the genotypes of the parents to predict the probability of the possible phenotypes of their offspring.
The outward manifestations of desired traits are known as phenotypes. Phenotypes are the traits that result from the expression of genotypes.
Phenotypes also show the morphology or physiology that results from the presence of an allele combination.
In order to more systematically and precisely show phenotype in relation to genotype, scientists and individuals alike frequently draw a Punnett square.
This kind of tool is the most reliable and accurate. As a result of the successful fusing of the parental gametes, it also discloses the likelihood of the potential phenotypes of the offspring.
A Punnett Square, then, is a tool for estimating the likelihood of potential phenotypes in offspring based on the genotypes of the parents.
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Use the equation from Question 4 and your answer to Question 2 to calculate the rate of ATP hydrolyzation, R. For step size, assume the vesicle is being transported by a myosin motor protein. (Hint: make sure you convert values to the appropriate units) The units for rate of ATP hydrolysis are s-1
Question 2 and 4 are as follows
2- Suppose your average velocity is 13.11 pixels/s. Given the fact that 1 um = 5.179 pixels, convert your average velocity to m/s. (Show your work.)
4- Write the definition of the rate of ATP hydrolyzation, R, in your own words. How would you calculate the rate of ATP hydrolyzation, R, if you know the step size of the motor protein, s, and the average vesicle velocity, v? Write the equation here
The rate of ATP hydrolyzation, is 13.11 and average velocity is 13.11 pixels/s is [tex]2,53 x 10 ^6 m/s[/tex] and ATP hydrolyzation, R,= 1.
Here will calculate the rate of ATP hydrolyzation, R.
[tex]1 4 ^ m - 5 * 179 pixels1 * 10 ^ - 6 * \\m = 5 * 179pixls\\1pixel = (10 ^ - 6)/(5 * 179) * m\\1pixel = 0.19 * 308 * 10 ^ - 6 * m\\1pixel = 1 * 9308 * 10 ^ - 7 * m13 * 1\\1pix*epsilon*l_ = 13 * 1 * 9308 * 10 ^ - 7 * \\m= 25 * 315 * 10 ^ - 7 *\\ m= 2.5313 * 10 ^ - 6 * \\matrix Average Velocity matrix = 13 * 11pixls / s\\= 2.5313 * 10 ^ - 6 * m / s[/tex]Read more about matrix :
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What is the relationship between meiosis and genetic variation?.
The relationship between these two is Genetic variation is increased by meiosis.
I hope this helps!!!
Resource partitioning can often be seen in similar species that occupy the same geographic area. These species avoid competition by living in different portions of the habitat or by utilizing different food or other resources and are called ____________ species.
sympatric
Resource partitioning can often be seen in similar species that occupy the same geographic area. These species avoid competition by living in different portions of the habitat or by utilizing different food or other resources and are called sympatric species.
If two related species or populations coexist in the same area and frequently interact, they are said to be sympatric in biology. A population that initially interbreeds before dividing into two or more separate species that coexist close to one another is an example of sympatric speciation. Due to reproductive isolation, which renders hybrid offspring incapable of reproducing and so limits gene flow, there may be genetic difference as a result of speciation. It is not required, but it is theoretically possible, for secondary contact to be linked to sympatric speciation or divergence in allopatry and range expansions that lead to an area of sympatry. As a result of secondary contact, interbreeding between sympatric species or taxa may or may not take place.
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Why is it important for citizens to vote?.
Voting by the citizens of a country is essential because it gives citizens a chance to choose their government leaders, it allows them to voice their opinions on the public issues and also makes them realize the importance and power of their citizenship.
Voting is the process where a group of people raise their opinion, make a collective decision and express their point of view in the form of a decision or a representative or leader.
Government is the group of officials who are involved in running a country systematically. It is the authority that sets some rules for the country in order to make it organized. A government usually consists of legislature, executive, and judiciary.
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a organ systems have been removed from the concept map allowed in the place of each organ system dragon drop major organ or tissue comprising the system
The neurological and endocrine systems regulate several bodily processes. Chemical messengers are used by these two regulatory systems to influence the operation of other organ systems and to synchronize activity across the body.
How are the various organ systems distinguished from one another?An organ system is a collection of organs that collaborate to carry out a certain function, whereas an organ is made up of a set of tissues that work together to support the overall function of the organ.
Is it conceivable for a single organ to belong to several organ systems?Some organs are a part of multiple systems. For instance, the nose functions as both a sensory organ and part of the breathing system.
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In mammals, mature red blood cells do not have mitochondria. How would red blood cells produce atp?.
Red blood cells use anaerobic respiration to make ATP.
Red blood cells, or RBCs, do not have mitochondria. Using glucose molecules for glycolysis during anaerobic respiration, red blood cells generate energy in the form of adenosine triphosphate, or ATP.
ATP is subsequently hydrolyzed to produce free energy for red blood cell activity.
The most common type of blood cell and the vertebrate's main means of delivering oxygen (O2) to the body tissues through blood flow through the circulatory system are red blood cells, also known as red cells,[1] red blood corpuscles (in humans or other animals not having a nucleus in red blood cells), haematids, erythroid cells, or erythrocytes (from Greek erythros for "red" and kytos for "hollow vessel [2] RBCs squeezing through the body's capillaries transfer oxygen into tissues after absorbing it in the lungs or, in the case of fish, the gills.
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a complex organic molecule that is necessary for enzyme function but is not permanently associated with the enzyme is a:
Answer:
A coenzyme.
Explanation:
Non-protein catalysts facilitating an enzyme's chemical reactions are called "cofactors." Cofactors that are organic molecules are called coenzymes.
place the following structures in the order a bolus of food would pass through them - esophagus - jejunum - large intestine - ileum - ileocecal valve (a sphincter that separates two digestive regions) - pyloric sphincter - duodenum - rectum - oral cavity - stomach
Digestion is the process of converting complicated food particles into simple absorbable forms. The digestive system performs the procedure mechanically and biochemically.
When a food particle enters the body, it passes through the following anatomical structures:
1) The oral cavity
2) The esophagus
3) The stomach
4) The pyloric sphincter protects the stomach's entry into the duodenum.
5) The duodenum
6) Jejunum
7) Ileum
8) Valve ileocecal (a sphincter that seperates two digestive regions)
9) Small intestine
(10) Rectum
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What happens when you have low enzyme production?.
Answer:
your body can't break foods down so that nutrients can be fully absorbed
Explanation:
Without them, your body can't break foods down so that nutrients can be fully absorbed. A lack of digestive enzymes can lead to a variety of gastrointestinal (GI) symptoms. It can also leave you malnourished, even if you eat a nutritious diet.
this process is used to record the electrical activity of the brain through the use of electrodes attached to the scalp:
An electroencephalogram (EEG) is a test that uses tiny, metal discs (electrodes) connected to the scalp to assess electrical activity in the brain.
Which phrase describes the procedure for capturing brain electrical activity?a documentation of brain activity electrically. It is created by attaching electrodes to the scalp, the skin that covers the top of the head, and sending electrical impulses to a specialised device. The diagnosis of brain and sleep disorders may be made with an EEG. termed an electroencephalogram as well.
Which of the following phrases describes the process of logging brain electrical activity, according to this quiz?Echoencephalography is the procedure of using electrodes affixed to the scalp to capture the electrical activity of the brain.
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when a light is shone into the pupil
When a light is shone into the pupil it should become smaller in size.
What is pupil?The pupil can be described as the round opening that can be seen in the center of the iris which is the colored tissue that is "eye color" and is located to the front of the eye however it posse the characteristics of changing size when there is entering of light into the eye.
It should be noted that In the light reflex, the pupils can be seen to experience the constriction when light is been shone on the retina, however in a case whereby one eye only is stimulated,then the two pupils will experience constriction, which canm be described as the consensual reflex, though the afferents are optic nerve fibres that can be seen to travel to both pretectal nuclei which go across the posterior commissure.
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complete question
When a light is shone into the pupil ----------------------------
major histocompatibility complexes (mhcs) are produced in the cell membranes of phagocytic cells of the immune system. what are mhcs made from?
MHC molecules are glycoproteins that are found linked to cells and help the immune system distinguish between self-antigens and foreign antigens.
Almost every cell contains MHC class I molecules, which enable T cells to keep an eye out for pathogen by monitoring the antigens inside the cell. In contrast, MHC class II molecules enable the immune system to react to antigens outside the cell. The purpose of MHC molecules is to bind and display pathogen-derived peptide fragments on the cell surface for recognition by the proper T lymphocytes.
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the proccess of meiosis produces: question 2 options: 2 genetically identical daughter cells 4 genetically identical daughter cells 2 geneticall different daughter cells 4 genetically different daughter cells
Chromosomes cross across during prophase 1 of meiosis. The four daughter cells that are produced at the conclusion of meiosis are genetically different as a result of this process.
In meiosis, are there two or four daughter cells?Two identical daughter cells are produced during mitosis, and both of these cells have the same amount of chromosomes as their parent cell. But during meiosis, four distinct daughter cells are produced, each of which contains half as many chromosomes as the parent cell.
What is the result of meiosis?Meiosis is a type of cell division that results in the formation of four gamete cells and a halving of the parent cell's chromosome count. In order to reproduce sexually, egg and sperm cells must be produced.
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plasmids containing which combination of operator and promoter allow activation of gene expression in response to an added metabolite?
By turning on the so-called transcription factors, a class of DNA-binding proteins, signal transduction starts the transcription process.
The pace at which a gene is transcribed—the process by which RNA polymerase creates a messenger RNA—controls the majority of a gene's activity.
Which two procedures impact gene expression?The two main procedures are transcription and translation. Gene expression is the result of both transcription and translation. The information contained in a gene's DNA is transferred to RNA (ribonucleic acid), a molecule comparable to DNA, in the cell nucleus during transcription.
Activators of transcription factors increase a gene's transcription. Transcriptional activity is suppressed. A gene can be turned on in particular body regions via clusters of enhancers, or transcription factor binding sites.
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