Answer:
Can you please include the answer choices....
Explanation:
Thanks. I'll answer it tho.
wear on the cuboid and medial malleolus bones suggest what about the victim
It is implied that the cuboid and medial malleolus bones were worn because the victim was wearing very high heels. High heels can either cause or exacerbate many foot ailments because they exert a lot of pressure on the ball of the foot and squeeze the toes into a small toe box.
One of the five bones in the midfoot, the cuboid is one of the seven bones that make up the tarsus of the ankle and foot. The toes, which tend to contract more when wearing heels, can also experience additional strain. However, a lot of the discomfort is caused by tiny intermetatarsal nerves that run between the foot's bones; these nerves swell and become irritated when wearing heels.
Thus, it is implied that the victim's wearing very high heels caused the wear on the cuboid and medial malleolus bones.
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Help me please!!!!!!!!!!
Answer: B maybe
Explanation: what grade are you in
what is the least number of trnas that can be used to recognize all of the codons of isoleucine, and what is/are the anticodon(s)? (in the answer choices, i
Transfer RNAs have three base sequences (3'-5') known as anticodons that can recognize and base pair with mRNA codons in the 5'-3' direction.
Anticodons:
anticodons are nucleotide sequences that are complementary to codons. They are located in tRNAs and allow tRNAs to align the right amino acid with an mRNA during protein synthesis.
During protein formation, amino acids are strung together like beads on a necklace. Because amino acids have diverse characteristics, it is critical that the correct amino acids are employed in the precise areas. Putting the incorrect one in the wrong place might render a protein ineffective or even hazardous to the cell.
This image depicts a developing protein chain. The bottom left shows tRNAs carrying amino acids entering the ribosome complex.
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serotonin (5-hydroxytryptamine, 5-ht) is a neurotransmitter with receptors (5-ht receptors) located in cells throughout the body. there are more than a dozen different types of serotonin receptors that fall into several different classes. one class consists of serotonin-activated ion channels and the other receptor classes are g-protein-coupled receptors that associate with different g proteins. the 5-ht7a receptor couples to gs and activates adenylyl cyclase, while the 5-ht2b receptor couples to gq and activates phospholipase c. the diversity of receptor types has led pharmacologists to search for drugs that will bind to and modulate just a single receptor class in order to limit systemic side effects (see 5-hydroxytryptamine receptor subtypes and their modulators with therapeutic potentials). place into bins the downstream effects predicted for a drug that exclusively activates the 5-ht7a receptor versus a drug that exclusively activates the 5-ht2b receptor.
Tryptophan serves as the starting material for the central and systemic synthesis of the monoamine neurotransmitter 5-hydroxytryptamine, also known as serotonin.
What does 5-HT (5-hydroxytryptamine) (serotonin) mean?Serotonin has been found to bind to 14 physically and functionally different receptor subtypes, each of which mediates the action of neurotransmitters by way of a cascade of downstream signalling molecules and effectors.
Serotonin is involved in many fundamental physiological processes, including apoptosis, mitochondrial biosynthesis, cell proliferation, and migration. Despite being most frequently discussed for its role in the pathogenesis of neuropsychiatric and mood disorders, serotonin also plays a role in many other basic physiological processes. increase. Anorexia nervosa, cancer, and other pathogenic diseases exhibit its neurotransmitter function.
We carefully vetted the serotonin and its receptor-related molecular reactions from the available literature using a strict set of NetPath annotation criteria. Gene regulation at the transcriptional and translational levels, molecular association, activation/inhibition, post-translational modification, transport, and other categories of responses were also included.
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in protein synthesis, eukaryotic and prokaryotic cells show similarities in all of the following except the
In protein synthesis, eukaryotic and prokaryotic cells show similarities in all of the following except the number of proteins encoded on a single mRNA. The first amino acid, formyl-methionine.
Which aspects of protein synthesis in eukaryotes and prokaryotes are similar and different?In prokaryotes, mRNA is polycistronic and may contain several genes that are translated to produce a number of proteins. Each monoisotopic (only one gene and one protein) mRNA in eukaryotes carries a single gene.
Eukaryotic and prokaryotic proteins are synthesized by 80S and 70S ribosomes, respectively. Eukaryotes' cytoplasm is where protein synthesis takes place. Before the transcription of an mRNA molecule is finished, protein synthesis takes place in prokaryotes.
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reproduction requires fusion of male cells in the pollen grain with female cells in the ovule
Answer:
I didn't get the question but what I know is reproduction of seeds happens when the Male sex cells fertilizes the female sex cells and that happens when the nether produces pollen and the pollen is transferred to stigma which is a part of the female cells and the pollen send a pollen tube down through the style to the ovary which contains the ovule and the Male gametes nucleus enters an egg cell and fuses with the egg cell nucleus
you are carrying out a chromatin immunopreciptation experiment. at the step where you are supposed to add the antibody to your protein of interest, you accidentally add a mixture of antibodies that someone was storing in the lab. what will your results show?
The results of the chromatin immunoprecipitation experiment are that the DNA will still be isolated, but it will respond to DNA that was bound by any protein recognized by the antibody.
Chromatin immunoprecipitation (ChIP) may be a sort of immunoprecipitation test procedure utilized to investigate the interaction between proteins and DNA within the cell.
ChIP too points to deciding the particular area within the genome that different histone alterations are associated with, demonstrating the target of the histone modifiers.
It points to deciding whether particular proteins are related to particular genomic locales, such as translation variables on promoters or other DNA authoritative locales, and possibly define cistromes.
ChIP is vital for the headways within the field of epigenomics and for learning more about epigenetic marvels.
Chromatin immunoprecipitation (ChIP) could be a strategy utilized to decide the area of DNA authoritative locales on the genome for a specific protein of intrigue.
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the medulla is located directly above the spinal cord in the hindbrain and controls
The medulla is located directly above the spinal cord in the lower part of the brain stem and controls many vital autonomic functions such as heart rate, breathing, and blood pressure.
What is nervous system?
The brain, spinal cord, and a sophisticated nerve network are all parts of the nervous system. The brain and the body are communicated with via this system.All bodily functions are managed by the brain.From the brain, the spinal cord descends via the back. It is made up of strands of nerves that branch out to every organ and area of the body. The brain sends and receives messages via this network of nerves to various parts of the bodyPart of nervous system:
The central nervous system and the peripheral nervous system make up the nervous system:The brain and spinal cord are components of the central nervous system.The nerves that run throughout the entire body are a part of the peripheral nervous system.Medulla:
medulla oblongata is the bottom-most part of your brain. Its location means it's where your brain and spinal cord connect, making it a key conduit for nerve signals to and from your body. It also helps control vital processes like your heartbeat, breathing and blood pressure.Hence, medulla controls heart beat, breathing rate and blood pressure.
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describe the process of dna replication in eukaryotic cells. make sure to include the proteins required for this process and highlight what aspects of this process are different from dna replication in prokaryotic cells.
In eukaryotes, DNA replication takes place in three stages: beginning, extension, and a process involving numerous enzymes or other proteins.
What are cells and what do they do?The fundamental units of all life forms are cells. There are numerous trillions of cells in a body. They give the body structure, absorb nutrients from meals, turn those energy into energy, and perform certain tasks.
What is the structure of cells?The membrane protein, the nucleus, and the cytoplasm are the three components that make up a cell. Intricate arrangements of microscopic fibers and tens or hundreds of tiny, unique structures known as organelles can be found in the cytoplasm.
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Frank lloyd wright’s fallingwater house is best described as an example _______. a. of a private residence becoming publicly important b. of modern houses and architecture c. of a private residence d. of waterfalls and natural scenery please select the best answer from the choices provided a b c d
Frank Lloyd wright’s Fallingwater house is best described as an example of a private residence becoming publicly important.
Option A. of a private residence becoming publicly important.
Frank Lloyd Wright's Fallingwater residence is high-quality described for instance as a private house turning into publicly critical.
Frank Lloyd Wright first became recognized for his Prairie fashion of structure which included low-pitched roofs, overhanging eaves, a relevant chimney, and open-ground plans which, he believed turned into the antidote to the restricted, closed-in structure of the Victorian era.
Falling water is a house designed by means of architect Frank Lloyd Wright in 1935 in rural southwestern Pennsylvania. The residence become designated a country-wide historic Landmark in 1966.
In 1893, Frank Lloyd Wright based his architectural practice in alrightPark, a quiet, semi-rural village on the Western edges of Chicago. It become at his alrightPark Studio throughout the first decade of the 20th century that Wright pioneered an ambitious new method of domestic architecture, the Prairie fashion.
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What is evolution?
When an individual develops the traits
needed to survive and reproduce
An immediate change in a population as
a result of environmental demands
When a population stays the same
reguarless of environmental demands
When a population changes as a result
of natural selection which is driven by
environmental demands
Answer:
When an individual develops the traits
needed to survive and reproduce
Explanation:
the second option is wrong because evolution isn't an immediate change but takes thousands to millions of years depending on what is evolving.
The third option is close but the difference is natural selection is when weaker animals of a species die out while the stronger ones survive for example, when one bird hatches before the other the hatched bird may push the egg out of the nest to get more food. That is an example of natural selection. It is a part of evolution but not evolution itself.
Which of the following approaches is the most likely first method an apple grower would use in developing an orchard of short trees producing apples from a naturally tall parent stock?
a. reduce nutrients in the soil to inhibit growth
b. prune the trees severely to maintain a short height
c. graft buds from the tall parent stock onto the dwarf-tree rootstock
d. breed trees from the shortest plants in the dwarf-tree rootstock
The method used to grow short trees from tall parent stock is to graft bud parent stock onto the dwarf tree, hence option c is correct.
What are graft buds?The base and roots of a grafted plant are known as rootstock. In order to produce a new plant with better characteristics, the apple grower grafted onto the scion, which is the blooming or fruiting portion of the plant.
A plant cutting used in grafting is referred to as a scion, and it joins with another plant, known as the rootstock. By uniting the tissues of two distinct plants, grafting allows them to grow together.
Therefore grafting buds to dwarf-tree rootstock is a method, hence option c is correct.
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A eukaryotic transcription unit that is 8,000 nucleotides long may use 1,200 nucleotides to make a protein consisting of approximately 400 amino acids. This is best explained by the fact that.
A eukaryotic transcription unit that is 8,000 nucleotides long may use 1,200 nucleotides to make a protein consisting of approximately 400 amino acids in mRNA, there are a sizable number of noncoding nucleotide regions.
The complicated process of eukaryotic transcription is used by eukaryotic cells to transform the genetic material found in DNA into copies of transportable complementary RNA. Eukaryotic and prokaryotic cells are both capable of transcription from genes.
Because the other nucleotides are introns that are deleted from mRNA after transcription and are not used in the protein, a transcription unit that is 8,000 nucleotides long may only use 1,200 of those nucleotides to code for a protein that contains 400 amino acids.
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Following a disturbance to a site, only some species that arrive at the site survive. Once an individual plant establishes itself, it modifies the environment, for example by changing resource availability. The plant is then replaced by a member of a species better suited to the modified environment, and then the process continues. Which model of succession best explains this pattern?.
The model of succession that best explains the problem at hand Is the Tolerance model of succession.
In the problem, we have been told that the plant kind of inhibits the freshly attained site and then flourishes which makes it seem like the facilitation model. But we have also been told that the plant is soon replaced by other plants that are most suitable to live on that site.
The tolerance model is the proper explanation for this as it states that all species are capable of establishing themselves but only the ones that have a bigger population become dominant. This proves that the example in question is an example of the Tolerance model.
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For the red onion skin experiment, in what cellular structure is red onion pigment stored and you were observing shrinkage?.
In an onion, there are no chloroplasts because the onion cells cannot photosynthesize. The central vacuole is where the purple pigment (anthocyanin) that gives red onions their red color is housed, making it quite visible.
Define Plasmolysis.In order to better understand plasmolysis and deplasmolysis in red onion cells, this experiment aims to detect water transport into and out of cells. Plasmolysis takes place when concentrated sucrose solution—which has less water potential than onion cells—is given to the environment around epidermal red onion cells. Deplasmolysis is the term used when this process is reversed. When pure water is added to the onion cells' external environment, deplasmolysis can be seen. As water is pulled into the cells during deplasmolysis, the protoplast inside the cell enlarges to its former size. These findings can be compared to similar procedures in other plant cells.
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True or False) DNA does not have to break apart to be copied.
Answer: false
Explanation: needs to break apart to prevent the risk of having an uneven number of chromosomes that can lead to developmental disorders and cancer.
which method of microbial control does not rely on denaturing proteins and/or disrupting the integrity of the cell membrane?
Lyophilization method of microbial control does not rely on denaturing proteins and/or disrupting the integrity of the cell membrane.
Lyophilization, also known as freeze drying, is a process in which water is removed from a frozen product and placed under a vacuum, allowing the ice to transition from solid to vapor without passing through a liquid phase. Lyophilization is a water removal process that is commonly used to preserve perishable materials, extend shelf life, or make the material more transportable. Lyophilization involves freezing the material, then lowering the pressure and increasing the heat to allow the frozen water in the material to sublimate.
Liquid nitrogen can be used successfully and economically instead of mechanical refrigeration for lyophilization/pre-freezing, increasing viability and yield. It also improves performance and reliability while requiring less capital investment than mechanically based systems.
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What is true about changes to biotic factors in an ecosystem?
Responses
It doesn't affect the living parts of an ecosystem.
It can result in populations of organisms increasing.
It results in changes to salinity or temperature.
It affects food chains but not the overall food web.
Answer:
It results in changes to salinity or temperature
Explanation:
Biotic things have to do with non living things that affect an ecosystem and if a biotic factor is changed like the sun it will affect the ecosystem so if the sun is taken away It results in changes to salinity or temperature
Describe how the banks of a river are changed over time by both weathering and erosion
Dna replication proceeds outward from two , which are the sites where the template strands are unwound and new dna is synthesized.
DNA replication proceeds outward from two replication forks, which are the sites where the template strands unwinds and new DNA is synthesized.
DNA stands for Deoxyribonucleic Acid. It is one amongst the two nucleic acids in living organisms. DNA is the more prevalent form because it is more stable than RNA. The structure of DNA is a double stranded molecules with nitrogenous bases projecting inwards perpendicularly.
Replication forks are the Y-shaped structures present in the DNA. These are the open bubble where the DNA unwinds with the help of enzymes in order to initiate the process pf DNA replication.
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approximately how many more mammal species become extinct in the period 1901-2000 than became extinct in the period 1801-1900?
90 mammal species become extinct in the period 1901-2000 than became extinct in the period 1801-1900.
Extinction is a situation in which something no longer exists. Their can be many reasons associated like species have been hunted to the point of extinction, scarcity of food or natural disasters.
Their are two main types of extinction firstly Mass extinction that has occurred only five times in history. The other is Background extinctions which occurs over longer period of time and are considered important in natural extinction rate.
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How is continental crust different from oceanic crust? question 5 options: continental crust is more dense and lighter. continental crust is thicker and more likely to sink. oceanic crust is thinner and more likely to sink. oceanic crust is thicker and more dense.
In comparison to oceanic crust, which is typically 5-10 km thick, continental crust is often 20–70 km thick. Oceanic crust is more recent and has a density of 3 g/cm3, whereas continental crust is older and less dense (2.7 g/cm3).
What distinguishes the oceanic crust from the continental crust?When compared to oceanic crust, which is basaltic (i.e., richer in iron and magnesium than granite) and has a density of around 2.9 to 3 grammes per cubic cm, continental crust is generally granitic and has a density of about 2.7 grammes per cubic cm.
Is crust from the oceans denser than crust from land?Dark-colored rocks known as basalt and gabbro make up the majority of the oceanic crust. It is lighter-colored rocks called andesite and granite that make up the continental crust, which is thinner and denser. Because of its low density, continental crust "floats" high above the viscous mantle, forming dry land.
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In 3-5 sentences, describe the advantages and disadvantages of using these two different images to model Mitosis.
The advantage of the first model is it used less space for showing stages of mitosis whereas the disadvantage of using this model in Mitosis is that it does not provide detailed information.
What is mitosis cell division?Mitosis is a process of cell division in cells that occurs when a parent cell divides to form two identical daughter cells. During this cell division, diploid daughter cells are produced from a single parent cell while on the other hand, meiosis is a process of cell division in cells that happens when a parent cell divides to form four identical daughter cells. Meiosis refers to the formation of four cells from a single parent having haploid chromosomes. The advantage of the first model is that it provides stages of mitosis by using less space whereas the disadvantage of using this model Mitosis is that it does not provide detailed information. The advantage of the second model is that it does not provide detailed information whereas the disadvantage of using this model of Mitosis is that it provides stages of mitosis by using less space.
So we can conclude that the advantage of the first model is the disadvantage of the second model and vice versa.
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The main disadvantage of using the first image to model mitosis is the presence of other stages of the cell cycle (e.g. the S phase). Moreover, the disadvantage of using the second image to model mitosis refers it involves meiotic division (meiosis II division) instead of mitosis.
What is the mitosis process?The expression of the mitosis process makes reference to this type of cell division which is characterized to form two daughter cells with identical genetic material when compared to the parental cell.
In contrast, meiosis divides to half the amount of genetic material in the resulting daughter cell as occurs in the second image.
Therefore, with this data, we can see that the mitosis process is the cell division for which a cell generates two daughter cells that exhibit identical genetic material when compared to the parental cell, conversely to meiosis where this number is reduced to half.
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pax6 gene regulates development of the eye across many species. you want to identify a mouse eye enhancer by making a gfp reporter in which the gfp coding sequence is placed downstream of a mouse promoter. which region of mouse dna would you fuse to the gfp reporter to identify the eye enhancer?
The GFP reporter is going to bind to the target cells in order to identify the eye enhancer.
Reporter genes are genes that get attached to regulatory sequences. The regulatory sequences control the expression of the reporter gene in the same manner that the original gene is controlled. It is cloned with any DNA sequence which we require into an expression vector that is then transferred into cells. These cells in question are the target cells. Reporter genes are a good tool for studying molecular events in living subjects.
When the GFP reporter gene is going to go and binds to the target cells, these cells are then going to identify and monitor the activity of the enhancer.
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which of the following is not a major function of protein in the human body?
A. Synthesis of hormones
B. Growth and maintenance of new tissue
C. Maintaining fluid balance
D. Providing energy to the body
Answer: D
Explanation:
which trait is commonly found in both of these two groups: chondrichthyans (cartilaginous fishes) and osteichthyans (bony fishes).
Breathe via the gills. Fish with bones and fish with cartilage both have jaws in their mouths.
Describe the chondrichthyans and Osteichthyes.Chondrichthyes:
The second category of fish is the Class Chondrichthyes, which contains sharks, rays, and chimaeras. Sharks are among the oldest fish species to have a jaw. Their upper and lower jaws are made of cartilage. A shark can grow teeth indefinitely, but neither you nor I can have more than two sets. Because they regularly replace lost or damaged teeth with brand-new ones, sharks never run out of teeth.
Osteichthyes:
The Osteichthyes, or true bony fish, are the third major category of fish and are further classified into two divisions. The first class, known as the Sarcopterygii, is the more ape-like of the two classes. This class includes all terrestrial vertebrates, including cows and humans, as well as fish like coelacanths and lungfish.
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which selection best describes the initial event in contraction? view available hint(s)for part e ca2 flows into the cytoplasm and binds to troponin (thin filament) effecting a shape change that exposes myosin binding sites and removes the blocking action of tropomyosin, which had previously overlain the binding sites. once myosin binds to actin to form cross bridges, contraction begins. ca2 release ends when the ap ceases. which selection best describes the initial event in contraction? tropomyosin binds to myosin heads and actin bridges with tropomyosin. myosin heads bind to the newly exposed myosin-binding sites on actin to form cross bridges. the myofilaments slide closer together. calcium binds actin to myosin to begin the cross bridge cycle.
The selection that best describes the initial event in contraction is that myosin heads bind to the newly exposed myosin-binding sites on actin to form cross bridges that is option B is correct.
This is the process describing the contraction of muscles of the body of human beings. The two filaments responsible for the contractive action of the muscle are actin and myosin. Muscle contraction occurs due to the relative movements of the two filaments that is actin and myosin. These filaments slide past one another which results in the contraction of muscles. The basis for this movement on the molecular level can be explained by the binding of myosin filament to the actin filament which allows the myosin filament to act as the driving force resulting in sliding of filaments over one another and this leads to muscle contraction.
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in what ways do virions resemble living cells? choose one or more:a.some virions possess genes for trna.b.they are capable of protein synthesis.c.they possess genes that can direct their own replication.d.some virions exhibit flagellar motility.e.their genomes can be larger than some cellular genomes.
Virions resemble living cells as their genomes can be larger than some cellular genomes.
What is genomes?The genome is a cell's whole collection of DNA instructions. The genome of humans is made up of 23 pairs of chromosomes found in the cell's nucleus, as well as a tiny chromosome placed in the cell's mitochondria. A genome includes all of the information required for a person to develop and operate. Our genome is made up of DNA and contains this collection of instructions. Every cell in the body, such as a skin cell or a liver cell, has the same set of instructions: Our genome's instructions are made out of DNA. DNA has a one-of-a-kind chemical code that governs our growth, development, and health.
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As part of his voyage on the beagle, darwin spent about 5 weeks off the coast of ecuador making observations on the.
Charles Darwin spent around 5 weeks off the coast of Ecuador conducting observations on the Galápagos Islands. His visit to the Galapagos Islands was part of his expedition on the Beagle.
Where is Galapagos Island located?The Galapagos Islands are famous for their enormous number of unique species and the research carried out by Charles Darwin that led him to the theory of natural selection. The Galápagos Islands, also known as the Galapagos, are an archipelago of 13 volcanic and mountainous islands. The Galapagos Islands are located in the Pacific Ocean approximately 1,000 kilometers west of South America's coast. The Galapagos Islands are constitutionally part of Ecuador. In 1959, the Galapagos Islands were declared a natural reserve. In 1978, UNESCO designated the Galapagos Islands as a World Heritage Site.
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match each term with its definition. you are currently in a labeling module. turn off browse mode or quick nav, tab to items, space or enter to pick up, tab to move, space or enter to drop. a sequence of dna located upstream of a gene that signals the start of transcription a regulatory protein that blocks transcription by binding to the operator site a transcriptional element that blocks the signal between enhancers and promoters a gene that controls the expression of one or more genes by promoting or inhibiting transcription a small molecule that activates transcription by inhibiting the action of a repressor protein a short sequence of dna located near the promoter region that is recognized by a repressor protein answer bank
A promoter is a segment of DNA that is upstream of a gene and marks the beginning of transcription.
What is DNA?DNA stands for deoxyribonucleic acid. It is defined as a sophisticated molecule that carries all the data required to create and maintain a creature.
Repressor: a transcription factor that binds to the operator of a gene to block the creation of mRNA. Insulator: a component that obstructs the signal between enhancers and promoters. A gene that affects transcription to promote or inhibit the expression of one or more genes Regulational gene. A tiny chemical that stimulates transcription by preventing repressor protein activity. A small segment of DNA close to the promoter region called the inducer is identified by the repressor protein.
Thus, a promoter is a segment of DNA that is upstream of a gene and marks the beginning of transcription.
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