Frameshift gene mutation. A protein's inability to function is more likely to result from a frameshift mutation than from a point mutation. This modifies the nucleotide bases in codons, changing their base sequence.
Frameshift gene mutation changes the amino acid sequence and the proteins that come after it. Changing the way a DNA sequence is read, for as through an insertion or deletion, can result in a frameshift mutation, a specific kind of genetic modification. A change in the reading frame occurs when one or more nucleotides are added or deleted. Cystic fibrosis is caused by two frameshift mutations in the CFTR genes, one of which results in the insertion of two nucleotides and the other in the deletion of one.
Learn more about gene mutation here:
https://brainly.com/question/462225
#SPJ4
Use evidence to explain the effects of draining a peatland on the ecosystem. Predict how these changes could affect global ecosystems if global temperatures continue to rise. Give specific examples to justify your prediction. Type your answer in the space provided.
The effects of draining a peatland on the ecosystem are support a wide variety of plant and animal species, drained for agriculture and other human activities, changes in weather patterns and sea levels.
Describe draining a peatland?Draining a peatland refers to the process of removing water from a peatland, which is a wetland ecosystem that is characterized by the accumulation of peat, a type of soil made up of partially decomposed plant material. Peatlands are found in many parts of the world, including bogs, fens, and mires.
Draining a peatland can have a significant impact on the ecosystem, as peatlands are unique habitats that support a wide variety of plant and animal species. When a peatland is drained, the water table drops, which can lead to the loss of wetland habitats and the species that depend on them. This can also lead to an increase in the amount of carbon dioxide released into the atmosphere, as the peat dries out and decomposes.
One specific example of this can be seen in the peatlands of Southeast Asia, which have been widely drained for agriculture and other human activities. This has led to the loss of habitats for unique species such as the Sumatran rhinoceros and the orangutan, as well as the release of large amounts of carbon dioxide into the atmosphere.
If global temperatures continue to rise, the effects of peatland drainage on global ecosystems could become even more pronounced. As temperatures increase, the rate of decomposition of peat will likely increase, releasing even more carbon dioxide into the atmosphere. This could contribute to further warming, potentially leading to the loss of even more habitats and species, as well as changes in weather patterns and sea levels.
In addition, the loss of peatlands as carbon sinks could exacerbate the effects of climate change. Peatlands store huge amounts of carbon and when drained, they release it into the atmosphere, contributing to global warming. Peatlands are also known to play an important role in the water cycle by reducing the risk of flooding and drought, the drainage of peatlands can disrupt these critical ecosystem services.
In summary, the draining of peatlands can have significant impacts on ecosystems, including the loss of habitats and species, disruption of the water cycle, and the release of large amounts of carbon dioxide into the atmosphere. If global temperatures continue to rise, these effects could become even more pronounced, potentially leading to the loss of even more habitats and species, changes in weather patterns, sea levels and overall destabilization of the ecosystem.
To know more about ecosystem visit:
https://brainly.com/question/29775110
#SPJ1
What is the cause of repetition of properties of elements?.
The cause of repetition of properties of elements in a period is due to the repetition of similar electronic configuration of their atoms in the outermost energy shell after certain regular interval.
The cause of periodicity in properties is the repetition of similar outer electronic configuration after certain regular intervals in a period . For example, all the elements of group IA i.e., alkali metals, have similar outer electronic configuration. In a similar manner all the halogens i.e., elements of group VIIA have similar other electronic configurations and hence possess similar properties. Due to similar outer electronic configurations, the properties of elements are also similar and hence they show periodicity.
Learn more about Period
brainly.com/question/29752383
#SPJ4
A nerve cell ( neuron ) fiber that carries impulses away from the cell body .
Axon is a nerve cell ( neuron ) fiber that carries impulses away from the cell body .
What is axon?
Neurons are very specific cells. They may respond to stimuli (irritability) and transport stimuli from one region of the cell to another (conductivity). They have an extremely high oxygen need; they cannot survive for more than a few minutes without it. They lose their ability to reproduce soon after birth, but if the cell body stays intact, they can repair cell processes.
Anatomy of a Neuron
Neurons are made up of a cell body that houses the nucleus, the majority of the cytoplasm, and two types of cell processes. A typical neuron has many dendrites, which are branching processes that carry impulses toward the cell body, and a single axon, which is a long straight process that carries impulses away from the cell body.
Axons are also known as nerve fibers. Axons are encased in concentric layers of the cell membrane of a cell termed a Schwann cell in most regions of the body. The covering, known as the myelin sheath, facilitates in impulse transmission across the axon.
Synapse
The telodendrion of an axon sends its impulse to another neuron or an effector organ such as a muscle cell through the narrow synaptic gap at a synapse.
When a nerve impulse reaches the telodendrion, it stimulates the release of neurotransmitters, which are small sacs of chemicals. Neurotransmitters go across the synaptic gap, bind to and excite the other cell. The released neurotransmitter is soon deactivated by enzymes in the synaptic region.
The nerve impulse
At rest, the cell membranes of neurons are electrically polarized. Ion pumps cause the interior of the cell to be around 70 millivolts negative in comparison to the exterior. This polarized membrane is like a charged battery that is ready to go.
When a threshold stimulation is provided to the cell membrane, it depolarizes, which means that ions pass across the membrane briefly reversing the charges. The charges immediately revert to their original arrangement, and a neighboring region goes through the same process. This charge reversal continues to flow down the membrane like a wave.
Therefore axon is the correct answer.
To learn more on neuron click,
https://brainly.com/question/11538106
#SPJ4
Part E
Soap is a relatively soft substance compared to rocks, so it has a higher rate of weathering. That means the impact from the water droplets will break apart the soap faster than a rock. Evidence of the scattered, broken soap pieces can likely be found on the sink where you conducted your experiment.
Based on what you know about chemical and mechanical weathering, determine which type of weathering affected the soap. Explain your answer.
Part B: Simulate Deforestation
Next, you’ll build a simulation showing the changes in a portion of the forest over time. This sample shows a forest region.
Forest Region
A 3 by 4 grid of rectangle blocks. 2 are black and 10 are gray.
Gray: untouched region (150 trees per block)
Black: deforested region (no surviving trees)
Use your word-processing program’s table maker to create three grids showing the rate of deforestation of a forest in three different years—year 1, year 5, and year 10. Choose colors to represent the deforested and untouched regions. Provide a key that shows the number of trees represented by each block, as well as the colors that represent the forested and deforested areas.
Here are the specifications for your forest:
The forest is represented by a 5 x 5 grid.
Year 1: There are a total of 4,500 trees in your forest and no deforestation. Figure out how many trees represent each block.
Year 5: 1,080 trees were deforested.
Year 10: An additional 1,980 trees were deforested.
After you’ve completed your grids, use the Insert Image button to insert screen shots of the grids in the answer space.
The simulation could involve creating a model of a forested area, and then using different parameters such as logging rate, natural growth rate, and the impact of human activities like agriculture, mining, and urbanization to simulate the changes in the forest over time.
How to explain the simulation?The simulation could also incorporate data on factors like population growth and climate change to show how these factors affect the rate of deforestation.
It is also worth noting that there are a wide variety of tools and software available for creating ecological simulations, and some of them are open-source and free to use, so you can use them to model your simulation.
Learn more about deforestation on:
https://brainly.com/question/579463
#SPJ1
Which process would bacteria living near a heat vent on the ocean floor use it build carbon-based molecules, such as sugars?A. Light- independent reactions B. Cellular respiration C. Fermentation D. Chemosynthesis
'Chemosynthesis' basically is the process which a bacteria living near a heat vent on the ocean floor use to build carbon-based molecules, such as sugars.
What do you mean by Chemosynthesis?
Chemosynthesis is a process by which some organisms use chemical energy to produce carbohydrates. This process occurs in environments where sunlight is not available, such as deep-sea hydrothermal vents. Organisms such as bacteria and other microbes convert chemicals such as hydrogen sulfide and methane into energy, which they use to produce organic molecules such as glucose.
The bacteria living near hydrothermal vents on the ocean floor use chemosynthesis to build carbon-based molecules, such as sugars, from the hydrogen sulfide and other chemicals that are spewed from the vent. The bacteria use the energy from the chemical reaction to form carbohydrates from the chemical reaction, which are then used as a source of energy for the bacteria. This process is thought to be the first form of energy production for life on Earth, and is seen as an important part of the global carbon cycle.
Hence, option D is correct.
To know more about Chemosynthesis,
https://brainly.com/question/16322013
#SPJ4
Assertion: Deficiency symptoms occur if the soil is lacking any particular element.
Reason: Excess minerals cause toxicity.
Here, the assertion i.e., deficiency symptoms occur if the soil is lacking any particular element is correct. But the reason is incorrect.
What is toxicity?When a material is exposed to or contaminated with another substance, it can have toxic consequences that result in serious biological harm or death.
When the soil is deficient in vital substances like nitrogen, phosphorus, potassium, magnesium, etc., deficiencies manifest as symptoms.
Only when the plant is given those crucial nutrients can these symptoms be managed.
Only very little amounts of micronutrients are required by plants, and too much of them can be harmful and impair normal body processes.
Thus, here, the assertion is true but the reason is incorrect.
For more details regarding toxicity, visit:
https://brainly.com/question/19603594
#SPJ1
What type of mutations have no effect on amino acid production because of redundancy in code?.
A silent mutation is a modification to the DNA's nucleotide base sequence that doesn't affect the amino acid or the protein's overall function.
Occasionally, a single amino acid will change, but if it has the same characteristics as the amino acid it replaced, there won't be much of a change. Silent mutations can occur for a variety of reasons, but the important thing to remember is that they do not alter how an amino acid or subsequent proteins function.
The silent mutation actually involves a thymine to cytosine conversion at the DNA level. A mistake in DNA replication or a type of repair that took place after the DNA was replicated could both have resulted in this mutation.
Learn more about mutation here:
https://brainly.com/question/17130462
#SPJ4
What is genetic engineering and its scope?.
Genetic engineering, also known as genetic modification, is the use of biotechnology to directly manipulate an organism's genome. It is a set of technologies used to change the genetic composition of cells, including gene transfer within and across species boundaries, in order to create better or novel organisms.
Genetic engineering has enormous potential in the fields of drugs, medicines, and pharmaceuticals. Various diseases, including genetic disorders, can be diagnosed and treated using gene therapy. Genetic engineering can be used to create drugs, drug delivery systems, and vaccines for a variety of deadly diseases such as Hepatitis B, AIDS, smallpox, and others.
Genetic modification can be used to improve various crops in agriculture and animal husbandry.
To know more about gene click here,
https://brainly.com/question/8832859
#SPJ4
in step 6 of the citric acid cycle when succinate is converted to fumarate, hydrogen atoms are transferred to fad. the ____________ is catalyzed by a dehydrogenase enzyme.
Citric acid cycle when succinate is converted to fumarate, hydrogen atoms are transferred to fad. the succinate is catalyzed by a dehydrogenase enzyme.
In general ,Succinate is converted to fumarate in step 6 of citric acid cycle in this step dehydrogenation usually takes place because two protons are removed. FAD also serves as coenzyme that is attached covalently to the enzyme succinate dehydrogenase, so it is written with notation E-FAD .
Succinate dehydrogenase (SDH) is component of respiratory complex II present in mitochondrion, and these complexes are responsible for converting succinate to fumarate as part of the Krebs cycle. SDH is mainly formed of four distinct proteins called SDHA, SDHB, SDHC, and SDHD.
To learn more about Succinate dehydrogenase (SDH) , here
brainly.com/question/13943912
#SPJ4
Zero population growth occur when a population ha the ame number of individual entering the population birth a thoe leaving the population death
When a population's birth rate and death rate are equal over time, there will be no net population increase.
When the population is stabilized by balancing the death and birth rates, there is no further population increase. It only occurs when annual births and immigration are equal to annual deaths and emigration. Significant ramifications for total GDP growth, levels of consumption and investment result from zero population increase.
Zero population is constant, there is population growth. Due to an equal number of births and deaths, the population is stable. The number of births per 1,000 people per year is referred to as the birth rate, whereas the number of deaths per 1,000 people per year is referred to as the mortality rate.
Fore such more question on Zero population.
https://brainly.com/question/19091700
#SPJ4
Please help me.
Viruses are mostly made up of 2 parts: a ‘capsid’ and its ‘genome’.
a) Explain what a ‘capsid’ is:
b) Explain what a ‘genome’ is:
(The ‘genome’ should be reviewed.)
Viruses are mostly made up of a ‘capsid’ composed of proteins that contain all structural features of the viruses and a ‘genome’ which contain the genetic material required to survive and reproduce in the host.
What is the viral genetic material?The viral genetic material may be composed of other DNA or RNA and it serves the virus in order to synthesize structural proteins and other components of its molecular machinery,
Therefore, with this data, we can see that viral genetic material is required for the survival of the virus and can be either DNA or RNA.
Learn more about viral genetic material here:
https://brainly.com/question/13449842
#SPJ1
those that carry impulses from the cns out to the muscles and glands?
The CNS sends signals to effector organs like muscles and glands through efferent, or motor, neurons.
The adult rat brain's hippocampus has a process known as neurogenesis when new neurons are created. Later, he claimed that newly formed neurons moved from the hippocampus, where they originated, to other regions of the brain. Michael Kaplan, a different researcher, corroborated Altman's discoveries in the rat brain in 1979, and in the adult monkey's forebrain in 1983, he discovered neural precursoar cells. Other researchers who didn't think these revelations about neurogenesis in the adult brain could be accurate in people were shocked by them. However, in the early 1980s, a researcher who was working to understand how birds learn to sing recommended that neuroscientists take another look at adult brain neurogenesis and start to comprehend how it might make sense.
learn more about neurons here
https://brainly.com/question/29462317
#SPJ4
Is it possible to have a calico cat that is male Why or why not?.
Yes, it's possible to have a manly calico c-at.
Calico pus-sy-cats are generally womanish due to their X chromosome, but it's possible for a manly calico cat to live in certain cases. This is due to a inheritable mutation known as Klinefelter's Syndrome, which causes the manly calico to have an redundant X chromosome. This redundant X chromosome is what allows for the manly calico to have the distinctive calico markings. Although calico pus-sycats are generally womanish, it's possible for manly calicos to live due to this inheritable mutation.
To know more about chromosome visit:
https://brainly.com/question/296477
#SPJ4
________________ ______________________ are epidermal cells that play a role in the immune response.
The epidermis is home to a thick network of immune system sentinels called Langerhans cells (LCs). As an extensive network of immune system sentinels, Langerhans cells (LCs) are found in the epidermis.
The Langerhans cells analyze the microenvironmental circumstances in which they come into contact with foreign substances to decide the proper adaptive immune response (inflammation or tolerance). LCs orchestrate a constant state of immunological tolerance in a typical physiological, "non-dangerous" scenario, preventing needless and detrimental immune activation. On the other hand, when they detect a threat, such as during an infection or when the physical integrity of the skin has been damaged as a result of trauma, they give the adaptive immune system's T lymphocytes instructions to build effective effector responses.
To learn more about epidermis from the link: https://brainly.com/question/13450121
#SPJ4
Which statement describes what will most likely occur when warm air cools and the temperature drops to the dew
point?
O Air will contain more water vapor.
O Dew will form on leaves.
O Clouds will disappear.
O Water vapor in the air will evaporate.
Mark this and return
Save and Exit
Next
Submit
O Dew will form on leaves.
The dew point is the temperature at which water vapor in the air will condense into liquid droplets. It is a measure of the amount of moisture in the air. The higher the dew point, the more moisture in the air. The dew point temperature is determined by the air temperature and the amount of water in the air. When air cools, its capacity to hold moisture decreases. If the air cools to its dew point, the excess moisture condenses, forming dew.
In the morning, the temperature on the ground is often more excellent than the temperature in the air. As the sun rises, the ground warms up, and the air above it cools. As the temperature drops to the dew point, the moisture in the air condenses on surfaces such as leaves, blades of grass, and other outdoor surfaces that are at or near the dew point temperature.
The statement "Air will contain more water vapor" is incorrect, as dew forms when the air can no longer hold its moisture and the excess water vapor condenses.
The statement "Clouds will disappear" is not correct, as dew formation is a phenomenon related to the condensation of water vapor, and clouds are formed by the same process, but at higher altitudes. "Water vapor in the air will evaporate" is also not correct, as the temperature dropped to the dew point, which is the point where the water vapor condenses, not evaporates.
Learn more about temperature drops and warm air visit the link:
https://brainly.com/question/16644344
true or false? Transcription factors regulate the gene expression either by enhancing transcription, attracting RNA polymerase, or block the access to certain
genes.
True. Transcription factors regulate gene expression by binding to specific DNA sequences, either enhancing or blocking the transcription of genes by attracting or repelling RNA polymerase.
RNA polymerase is an enzyme that synthesizes RNA from a DNA template. It catalyzes the transcription of DNA into RNA by adding ribonucleotides to a growing RNA strand complementary to the template DNA strand. RNA polymerase is a complex enzyme, and different types exist in different organisms.
In eukaryotes, RNA polymerase II is responsible for the transcription of most protein-coding genes.DNA (deoxyribonucleic acid) is a long, double-stranded biomolecule that carries the genetic instructions used in the development, functioning, and reproduction of all living organisms.
Learn more about DNA here:
https://brainly.com/question/14315652
What role does the sensory
division play in the nervous
system?
A. carries response to stimuli slowly
B. senses internal and external surroundings
C. makes decisions of how to respond to stimulus
D. performs reflexes
Carries response to stimuli slowly is the role does the sensory division play in the nervous system.
What is the sensory division?The sensory (afferent) division transports sensory impulses from central nervous system receptors through afferent nerve fibres (CNS). It can be separated into somatic and visceral divisions for further subdivision. Signals coming from receptors in the skin, muscles, bones, and joints are carried by the somatic sensory division.The CNS receives signals from peripheral organs through the afferent or sensory division. Impulses from the CNS are sent out to the peripheral organs through the efferent or motor division to produce an effect or action.The sensory division gathers data (touch, pain, pressure, vision, taste, etc.) from both the somatic and visceral sides of the body and sends it to the central nervous system.Learn more about Sensory division refer to ;
https://brainly.com/question/1268092
#SPJ1
what form of reproduction produces variation within its offspring?
Sexual reproduction results in variations in the offspring. The offspring produced by sexual reproduction have mixed traits of both parents.
The production of offspring is referred to as reproduction. There are two types of reproduction: sexual reproduction and asexual reproduction. An organism that reproduces sexually combines the genetic information from both parents and is genetically unique. Asexual reproduction occurs when one parent copies itself to produce genetically identical offspring.
The two processes that occur during this stage are gamete formation (gametogenesis) and gamete transfer. Gametes are sex cells that are naturally haploid (23 chromosomes) and distinct in males and females.
Reproduction ensures the species' survival and prevents it from becoming extinct. It contributes to evolution by generating variations through genetic recombination. It contributes to the increase in the number of species in the ecosystem.
To know more about reproduction click here,
https://brainly.com/question/14329745
#SPJ4
How are the properties of elements related to the properties of the compounds they make?.
Chemical characteristics of a compound differ from those of the constituent elements. When two or more atoms are chemically linked, molecules are created (bonded)
A compound always has the same constituents in the same proportions. The qualities of compounds vary from the constituent constituents' characteristics, sometimes noticeably. This is due to the fact that when elements in a compound combine, a whole new substance with distinct features results.
A single sort of atom makes up an element, hence that atom itself is the representation of all the characteristics of that element. Compounds are made up of the same kind of molecules as substances. Chemical reactions cannot degrade elements. Simpler compounds can be made from more complex ones.
Learn more about compound:
brainly.com/question/14117795
#SPJ4
What were the important results of Mendel's first experiments?.
Mendel discovered a similar 3-to-1 ratio of contrasting features for each of the seven characters he analyzed in the F2 generation.
One trait at a time was the first thing Mendel studied. His law of segregation resulted from this. According to this law, each trait is governed by two elements that, during an organism's reproduction, segregate and affect different gametes.
The local Natural History Society received a presentation from Mendel in 1865 on the findings of his research involving around 30,000 pea plants. He showed how qualities faithfully pass from parents to children in dominant and recessive patterns, independently of other features.
Mendel's First Law, sometimes referred to as The Law of Equal Segregation, is founded on this idea.
For more information on Mendel's experiment kindly visit to
https://brainly.com/question/30097040
#SPJ4
what phase does the nuclear membrane reappear around new chromosome set?
The phase when the nuclear membrane reappear around the new chromosome set is metaphase.
The nuclear membrane is an important structure that surrounds the nucleus of a cell.
During late prophase, the nuclear membrane will begin to break down allowing the chromosomes to move to the center of the cell. As the cell progresses through metaphase, the sister chromatids line up in the center of the cell and the nuclear membrane will reappear around the new set of chromosomes.
The nuclear membrane then remains in place until the cell enters anaphase where the sister chromatids will begin to separate and move away from each other.
The nuclear membrane will then disappear again until the cell enters telophase where the membrane will reform around the two sets of chromosomes.
To learn more about chromosome, click here:
https://brainly.com/question/1596925
#SPJ4
energy use needed to sustain your home
Energy use needed to sustain your home include the following below:
Use of energy-efficient light bulbs.Clean or replace air filters.Turn off appliances when not in use etc.What is Energy conservation?This is referred to as the decision and practice of using less energy through the practice and adoption of certain techniques.
An example is to ensure that energy efficient light bulbs is used in homes which will help reduce the risk of energy being lost as heat and other forms. Turning off appliances when not in use too will ensure that energy is conserved in the home of an individual.
Read more about Energy conservation here https://brainly.com/question/27422874
#SPJ1
The full question:
energy use needed to sustain your home include?
What happens to a cell when we die.
Answer: These cells will eventually die and break down, which makes your body appear inviting to a ton of different bacteria. Additionally, as those bacteria consume the cellular waste left over from your body, they spit out their own waste, creating the sounds and smells associated with decomposition.
What factors influence flexibility List 3 factors to support your answer?.
Your level of flexibility will rely on a number of variables, some of which you can influence and others which you cannot.
Joint architecture- The human body has a variety of various types of joints. Different people have different ranges of motion (ROM).
Gender and age- As you age, your ROM and flexibility inevitably decline. This is caused, in part, by the fibrosis of the fibrous connective tissue that substitutes for muscle fibres.
Connective Tissue-ROM can be restricted by deep connective tissue like tendons and fascia. These tissues differ in their capacity to stretch and then return to their original length (elasticity) as well as their propensity to maintain a longer length after stretching.
To learn more about Flexibility click here:
https://brainly.com/question/9510618
#SPJ4
If all the poisonous frogs eggs are genetically engineered, right, after fertilization to include a gene that prevents poison production, what is the ratio of poisonous to non-poisonous, frogs in the offspring
If all the poisonous frog's eggs are genetically engineered, after fertilization they should include a gene that prevents poison production, then the ratio of non poisonous to poisonous frogs is 100% to 0%.
What is the significance of genetic engineering?Genetic engineering is helpful to remove any kind of genetic disorder, such as when the poisonous frog egg is genetically engineered after fertilization so that the gene responsible for the poison is removed. This is the result of producing only non-poisonous frogs.
Hence, if all the poisonous frog's eggs are genetically engineered, after fertilization they should include a gene that prevents poison production, then the ratio of non poisonous to poisonous frogs is 100% to 0%.
Learn more about genetic engineering here.
https://brainly.com/question/29764651
#SPJ1
period of nuclear cellular division in which two daughter cells are formed, each containing a complete set of chromosomes?
A cell divides during mitosis to produce two daughters that are exactly same.
The method requires replicating the chromosomes first and then meticulously separating the copies to provide each new cell a full set since it is crucial that the daughter cells have a copy of every chromosome.
When do meiosis' two daughter cells emerge?In telophase I, the nuclei enclose the chromosomes. The parent cell's cytoplasm is now split into two daughter cells through a process in the cell known as cytokinesis. One set of chromosomes, or half as many as the total number of chromosomes in the mother cell, makes up each daughter cell, which is haploid.
To know more about chromosomes visit:-
https://brainly.com/question/1596925
#SPJ4
What is the difference between protease and protease?.
The difference between proteases and other proteases is lies in the breaking of peptide bonds.
Enzymes are protein compounds that act as biocatalysts that accelerate chemical reactions. Enzymes work by reacting with substrate molecules to produce compounds through organic chemical reactions that require lower activation energy.
Proteases are enzymes that hydrolyze proteins into simpler compounds such as small peptides and amino acids. Protease enzymes are produced by the pancreas and stomach and there are three types of these enzymes namely trypsin, pepsin, and chymotrypsin. The way to distinguish one protease enzyme from another is by looking at the location where the peptide bond is broken, in the middle, at the end, or at the beginning.
Learn more about enzyme at:
https://brainly.com/question/17320375
#SPJ4
Estuaries are productive ecosystems because they constantly receive nutrients from
answer choices
rivers and oceans
coral reefs
lakes and ponds
photosynthesis
Which of the following statements about heterochromatin are true?
A. It is transcriptionally inactive.
B. It remains condensed during interphase, when active chromatin decondenses.
C. Constitutive heterochromatin is found in specialized parts of the chromosome that are never expressed, such as centromeres and telomeres.
D. Facultative heterochromatin can control gene expression by placing gen es in an inaccessible chromatin structure
Constitutive heterochromatin is present in specific regions of the chromosome which are never transcribed, including such centromeres and telomeres, and it is transcriptionally inert.
What does heterochromatin do and why?Eukaryotic genomes contain heterochromatin, which serves a variety of purposes including regulating gene expression and preventing Replication process and repair. Heterochromatin throughout the nucleus physically separates from heterochromatin and is predominantly localized to the nuclear perimeter and region around the nucleolus.
Why is heterochromatin necessary?Heterochromatin guarantees that cohesin is attracted to centromeric areas in high population density, but it may also play further roles in mitotic spindle architecture, merotely prophylaxis, and centromeres assembly.
To know more about heterochromatin visit:
https://brainly.com/question/13156900
#SPJ4
