The false statement regarding RNA processing is: "Prokaryotic mRNAs are polyadenylated at the 3' end."
Like mRNA molecules in eukaryotes, prokaryotic mRNA molecules do not go through substantial processing. They are often expressed as polycistronic transcripts, which means that each transcript contains a number of different genes. Prokaryotic mRNA is often shorter and devoid of introns compared to eukaryotic mRNA. Prokaryotic mRNA molecules do not include the ubiquitous polyadenylation at the 3' end found in eukaryotic mRNA.
The removal of introns by spliceosomes or self-splicing occurs during the processing of eukaryotic mRNA, and alternative splicing can result in the synthesis of many protein isoforms from a single gene. Polyadenylation is also a critical step in eukaryotic mRNA processing that involves adding a string of adenine nucleotides to the 3' end of the mRNA molecule. This poly(A) tail plays an important role in stabilizing the mRNA molecule and regulating its translation.
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The major portion of seminal fluid is produced in the prostate gland. true or false
Answer: True
Explanation:
The seminal vesicles and prostate gland make a whitish fluid called seminal fluid, which mixes with sperm to form semen when a male is sexually stimulated.
melanosomes most likely move along microtubules that originate in and radiate from the
Melanosomes most likely move along microtubules that originate in and radiate from the as Melanosomes are organelles responsible for producing and storing melanin pigment in skin cells.
These melanosomes move along microtubules, which are a part of the cell's cytoskeleton. Microtubules originate from and radiate outwards from the cell's centrosome, which acts as the main organizing center for microtubules in the cell.
This movement is crucial for the distribution of melanin within the skin cells, which determines skin pigmentation. The regulation of this process is essential for preventing skin disorders, such as albinism or hyperpigmentation.
Overall, the movement of melanosomes along microtubules plays a critical role in the maintenance of skin pigmentation and health.
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HELP I’LL GIVE BRAINLIEST!! WORTH 15 POINTS!!!
• State your name and your views on whether prisoners should be permitted to
vote.
• Tell your classmates whether you think voting is a privilege that can be taken
away or a human right that everyone should always have. If it is a human right,
also explain whether you think minors should be allowed to vote.
. State why you think sociologists would be interested in studying the debate
about the voting rights of prisoners.
Sociologists may be interested in studying the debate about the voting rights of prisoners because it is an issue that involves questions of social justice, political power, and inequality.
Should sociologists study prisoners?The right to vote is a fundamental aspect of democratic societies, and the denial of this right to any group of individuals raises important questions about citizenship, representation, and social exclusion.
Moreover, the debate about the voting rights of prisoners is connected to broader issues of criminal justice and social inequality, including questions about the over-representation of certain groups in the criminal justice system and the ways in which social disadvantage and discrimination may be linked to incarceration.
As such, the study of this issue may shed light on the dynamics of power, inequality, and social change in contemporary society.
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by inhibiting calcium channels, what effect does alcohol have a neurotransmission
Alcohol is a central nervous system depressant that affects various neurotransmitter systems in the brain, including the GABA and glutamate systems.
When consumed, alcohol inhibits the voltage-gated calcium channels in the presynaptic neurons, which are responsible for the influx of calcium ions necessary for neurotransmitter release. This results in a decreased release of neurotransmitters, particularly glutamate, which is the main excitatory neurotransmitter in the brain.
As a result, alcohol slows down neurotransmission and leads to a decrease in cognitive and motor functions, including impaired judgment, slowed reaction time, and loss of coordination. The inhibitory effect of alcohol on calcium channels also contributes to its sedative and anxiolytic effects.
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in the repair of a simple fracture, the fibrocartilaginous callus stage lasts at least ______. multiple choice question. 3 weeks 2 months 3 months 8 weeks
The fibrocartilaginous callus stage in the repair of a simple fracture usually lasts for about 3 weeks to 2 months.
During this stage, fibroblasts and chondroblasts produce fibrocartilage, which bridges the broken ends of the bone. The fibrocartilaginous callus is composed of collagen and cartilage, and it provides temporary stability to the fracture site.
The length of this stage can vary depending on factors such as the severity of the fracture, the age and health of the individual, and the location of the fracture.
Typically, the callus will eventually be replaced by bone tissue in a process known as ossification.
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In the repair of a simple fracture, the fibrocartilaginous callus stage lasts at least 3 weeks. This stage is characterized by the formation of a soft callus made of fibrous tissue and cartilage, which serves as a temporary bridge between the broken bone ends.
Over time, this callus is replaced by a harder bone callus made of new bone tissue, leading to the final stage of bone remodeling.
A fibrocartilage callus is a transient collection of fibroblasts and chondroblasts that develops at the site of a fractured bone as the bone works to mend itself. The cells gradually disappear and go dormant, laying in the extracellular matrix that forms, which becomes the new bone. Usually 3 weeks following the fracture, the callus is the earliest indication of union that may be seen on x-rays. The development of calluses takes longer in adults than in youngsters, and in cancellous bones than in cortical ones.
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the petrified forest of arizona includes a great diversity of fossils. in the picture above, paleontologist randall irmis excavates a plate from a specimen of buettneria. based on the discussions of evolution in the class materials, it is likely that: group of answer choices buettneria is essentially identical to species still alive today. buettneria is related to, but recognizably different from, species still alive today. buettneria is completely unrelated to species still alive today.
Based on the discussions of evolution in class materials, it is likely that Buettneria is related to, but recognizably different from, species still alive today. This is because the theory of evolution suggests that organisms change over time through the process of natural selection, which results in the development of new species from existing ones.
Based on the discussions of evolution in the class materials, it is likely that Buettneria is related to, but recognizably different from, species still alive today. Evolution suggests that species change over time through processes such as natural selection and genetic drift, leading to the development of new species from ancestral forms. Consequently, while Buettneria may share a common ancestor with some living species, it would likely exhibit noticeable differences due to the evolutionary processes that have occurred since its existence.
Therefore, while Buettneria may share certain similarities with modern species, it is likely to have distinct characteristics that differentiate it from them. Additionally, the fact that the petrified forest of Arizona includes a great diversity of fossils suggests that there have been many different species that have lived and evolved over time, further supporting the idea of evolutionary change.
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Why is it colder in the winter than in the summer? A. The Earth is tilted towards the sun in the summer and away from the sun in the winter, therefore it is colder in the winter. B. The gravitational pull of the moon makes it colder in the winter. C. The sun sets in the winter and comes back during the summer, that is why is it cold in the winter. D. Snow keeps the area cold in the winter
It is colder in the winter than in the summer because Earth is tilted towards the sun in the summer and away from the sun in the winter, therefore it is colder in the winter.
The correct option is A .
In general , Earth orbits the sun, the hemisphere that is tilted towards the sun changes. This means that the season changes. For example, when the northern hemisphere is tilted towards the sun, it is summer in the northern hemisphere and winter in the southern hemisphere.
Also, tilt of the Earth's axis and its orbit around the sun, other factors such as the distribution of land and water, ocean currents, and atmospheric circulation patterns also contribute to regional and local variations in temperature. However, the tilt and orbit of the Earth are the primary drivers of seasonal changes in temperature on a global scale.
Hence , A is the correct option
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true or false once a couple makes a commitment to an intimate relationship is made by a couple, the relationship culture becomes static.
The statement "once a couple makes a commitment to an intimate relationship is made by a couple, the relationship culture becomes static." is false.
A relationship culture is not static even after a commitment is made because it evolves continuously based on various factors. Couples need to adapt to changes in their lives, such as personal growth, external circumstances, and evolving communication styles.
As a result, relationship culture requires ongoing effort and nurturing to maintain a healthy and successful partnership. Open communication, understanding, and flexibility are crucial components for a couple to effectively navigate changes and challenges throughout their relationship.
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why it is important for humans to understand our impact on the environment.
whoever answer get 50 point and brainliest.
energy is transferred along food chains from one stage to the next. which statement best explains how the energy is transferred? responses
From energy producers to energy consumers. The transfer of energy from producers to consumers is explained. All creatures in the food chain receive energy indirectly from producers like plants.
In food webs, energy is passed between organisms from producers to consumers. Organisms utilise the energy to accomplish challenging activities. The majority of the energy found in food webs comes from the sun and is turned (processed) into chemical energy by plants during the process of photosynthesis. Energy is given to customers, who then use it to make food. A food web demonstrates how energy is moved throughout an ecosystem. For instance, plants are given access to solar energy so they can transform it into chemical energy.
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Energy is transferred along food chains from one stage to the next. Which statement best explains how the energy is transferred?
an arrangement of microtubules located in the matrix of cilia and flagella is called the _
An arrangement of microtubules located in the matrix of cilia and flagella is called the axoneme.
The axoneme is the structural core of cilia and flagella, which are long, whip-like structures that protrude from the surface of cells. It consists of nine microtubule doublets that surround a central pair of microtubules, arranged in a cylindrical pattern.
The microtubules are connected by radial spokes and nexin links, which provide stability and flexibility to the axoneme. The movement of cilia and flagella is generated by the sliding of the microtubule doublets against each other, powered by the ATP-dependent activity of dynein motor proteins.
The axoneme is essential for many biological processes, including the motility of sperm cells, the clearance of mucus from the respiratory tract, and the movement of fluid in the female reproductive system.
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based on the passage, to which phylum does enterobacter most likely belong?a.actinobacteriab.firmiculatec.bacteroideted.proteobacteria
Based on the passage provided, Enterobacter most likely belongs to the phylum Proteobacteria. Option C is correct.
The phylum Proteobacteria is one of the major phyla of bacteria and is known for its diversity and wide-ranging ecological roles. Enterobacter is a genus of Gram-negative bacteria that is commonly found in the environment, as well as in the gastrointestinal tracts of humans and animals. Enterobacter is known to belong to the phylum Proteobacteria based on its characteristic Gram-negative cell wall structure and other genetic and biochemical characteristics.
Based on the information provided in the passage, the most likely phylum for Enterobacter is Proteobacteria, as it is a Gram-negative bacterium commonly found in the environment and gastrointestinal tracts of humans and animals, which are characteristic features of the phylum Proteobacteria.
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Based on the passage, Enterobacter most likely belongs to the phylum Proteobacteria.
This is because the passage mentions that Enterobacter is a genus of Gram-negative bacteria, which is a characteristic of the Proteobacteria phylum.
Additionally, the passage states that Enterobacter is commonly found in the environment and is sometimes associated with infections in humans, both of which are also characteristics of the Proteobacteria phylum.
While it is possible that Enterobacter could belong to another phylum, such as Actinobacteria or Bacteroidetes, the information provided in the passage suggests that Proteobacteria is the most likely classification.
Firmiculate is unlikely to be the correct answer as this phylum is characterized by Gram-positive bacteria, which Enterobacter is not.
Therefore, the correct option is D, proteobacteria.
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when a coronary artery occlusion slows or blocks the blood supply, the demand placed on the heart exceeds the supply and the myocardium that is fed by that artery progresses through three stages. what are they?
When a coronary artery occlusion slows or blocks the blood supply to the heart, it can lead to a condition called myocardial ischemia, where the heart muscle does not receive enough oxygen and nutrients to function properly. Over time, this can progress through three stages, known as the ischemic cascade:
Electrical dysfunction: During this initial stage, the heart muscle cells begin to experience a lack of oxygen and nutrients. This can cause changes in the electrical activity of the heart, including abnormal heart rhythms or arrhythmias.
Contractile dysfunction: If the ischemia continues, the heart muscle cells begin to lose their ability to contract properly, leading to reduced heart function. This can cause symptoms such as chest pain, shortness of breath, and fatigue.
Necrosis: In the final stage of the ischemic cascade, the lack of oxygen and nutrients can cause the heart muscle cells to die or become necrotic. This can lead to irreversible damage to the heart muscle, known as a myocardial infarction or heart attack.
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the chordae tendineae attach to the lower surface of cusps of the ______ valve and prevent the valve from flipping into the atrium when the right ventricle is contracting.
The chordae tendineae attach to the lower surface of the cusps of the tricuspid valve and prevent the valve from flipping into the atrium when the right ventricle is contracting.
What is the importance of chordae tendineae attaching to the lower surface of cusps?
This is an important mechanism to ensure proper blood flow from the atrium to the ventricle and prevent backflow. On a separate note, pupillary refers to the size and response of the pupils, which are controlled by the autonomic nervous system. The atrium and ventricle are two of the four chambers of the heart, with the atrium receiving blood and the ventricle pumping it out to the rest of the body.
The chordae tendineae attach to the lower surface of the cusps of the tricuspid valve and prevent the valve from flipping into the atrium when the right ventricle is contracting. The term "pupillary" is not relevant to this topic, as it relates to the eye's pupil, not the heart. In summary, the chordae tendineae play a crucial role in ensuring the proper function of the tricuspid valve, connecting it to the right ventricle and preventing backflow into the atrium.
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which statement about evolution is accurate?(1 point) responses animals, plants, and microbes have their own separate, unrelated ancestries. animals, plants, and microbes have their own separate, unrelated ancestries. dna is the only extant evidence supporting the theory of evolution. dna is the only extant evidence supporting the theory of evolution. living things have adapted and changed over time for specific, discoverable reasons. living things have adapted and changed over time for specific, discoverable reasons. scientists no longer study evolution because it has been proven.
Living things have evolved and changed over time for specific, observable reasons, as stated by evolution. The correct answer is (C).
The process by which a population's genetic material changes over time is called evolution. Changes in genes, novel traits, and new species can all be the result of evolution, which is a reflection of how organisms adapt to their changing environments.
One of the mechanisms of evolution is natural selection. It is more likely that organisms will survive and pass on the genes that contributed to their success if they are better adapted to their environment. This interaction makes species change and veers over the long haul.
Natural selection is based on the idea that organisms with traits that can be passed down better adapt to their environment than other organisms of the same species do. When compared to other members of the species, this enables superior survival and reproduction, resulting in evolution.
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Q-Which statement about evolution is accurate? (1 point)
a. DNA is the only extant evidence supporting the theory of evolution.
b. Animals, plants, and microbes have their own separate, unrelated ancestries.
c. Living things have adapted and changed over time for specific, discoverable reasons.
d. Scientists no longer study evolution because it has been proven
Mount Pinatubo ejected large volumes of gas and ash into the atmosphere during its eruption in June 1991. Scientists measured an average global temperature decline of about 2% during the next year. if the average temperature of an area was 25*C prior to the eruption what was the temperature the next year?
Following the Pinatubo explosion, the region's average temperature would be about 24.5°C.
What is a region?Areas are utilised in a variety of disciplines, including geography, physics, engineering, and architecture. In these sectors, the term "area" refers to the size of a surface, such as a building's floor area or a three-dimensional object's surface area.
The size of an object with three dimensions or the pace of change of an equation in mathematics can both be calculated using areas. A region's or surface's size in two dimensions is expressed as an area. Usually, it is expressed in square units like square metres or square feet.
The extent of a region or shape.
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in the human sexual response cycle, what is the name of the phase in which blood flows to the genitalia and pleasurable sensations build?
Phase 1: Excitation: The skin may damage. Skin become rough or firm. While the part of men erects as a result of increased blood flow to the genitals.
Excitation, plateau, orgasm, and resolution are the four stages of the human sexual response cycle. The excitement phase is when pleasure-producing feelings start to develop and blood starts to flow to the genitalia.
Physical changes such a faster heartbeat, breathing rate, and blood pressure are possible at this stage. Males and females experience erections and vaginal lubrication as a result of blood flow to the genital region. Sexual arousal is more intense during the excitement phase.
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Correct Question:
In the human sexual response cycle, what is the name of the phase in what blood flows to the genitalia and pleasurable sensations build?
what area in the brain sets the respiratory rhythm? view available hint(s)for part a what area in the brain sets the respiratory rhythm? ventral respiratory group (vrg) dorsal respiratory group (drg) pontine respiratory group (prg) hypothalamus
Answer:
Explanation:
who ask
Which sentence describes the cells of ground tissue in the nongreen parts of plants?
A. They have large vacuoles that store materials.
B. They consist of hollow tubes that transport materials.
OC. They have hairlike extensions that absorb water.
OD. They contain chloroplasts for photosynthesis.
The non-green sections of plants, the ground tissue cells do not have chloroplasts for photosynthesis and do not have hollow tubes for material transfer.
A material is what?Materials are the substances or mixtures that are utilised to build or make items. They are employed in a variety of sectors, including electronics, manufacturing, transportation, and construction, and they can be natural or synthetic.
Metals, polymers, ceramics, fabrics, woods, and composites are a few examples of materials. Each substance has distinctive physical and chemical characteristics that make them each ideal for particular uses. For instance, while plastics are regarded as having flexibility and capacity to be moulded into intricate designs, metals are frequently employed for their durability and strength.
The Science of materials is an investigation.
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The answer is A. They have large vacuoles that store materials
which of the following physiological alterations is/are commonly observed in aki? select all that apply. group of answer choices increased urine output metabolic alkalosis hypoparathyroidism fluid accumulation decreased urine output metabolic acidosis decreased energy expenditure
Physiological alterations commonly observed in AKI (Acute Kidney Injury) are: Decreased urine output, Fluid accumulation, Metabolic acidosis,
Decreased urine output: This occurs because the kidneys are not able to filter and eliminate waste products and excess fluid from the body properly, leading to a decrease in urine production.
Fluid accumulation: This occurs due to the inability of the kidneys to regulate fluid balance, leading to an accumulation of fluid in the body.
Metabolic acidosis: This occurs due to the buildup of acidic waste products in the blood that the kidneys are not able to eliminate, leading to an imbalance in the body's acid-base balance and metabolic processes.
Increased urine output, metabolic alkalosis, hypoparathyroidism, and decreased energy expenditure are not commonly observed in AKI.
In summary, Urine output, fluid accumulation, and metabolic acidosis are commonly observed in AKI.
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Several histones can bind to one dna molecule, forming a repeating unit called aa. ribozymeb. nucleosomec. topoisomerased. nucleoside
Several histones can bind to one DNA molecule, forming a repeating unit called a nucleosome, the correct option is (b).
Histones are proteins that form complexes with DNA to create chromatin. Several histones can bind to a single DNA molecule, resulting in the formation of a repeating unit called a nucleosome. Each nucleosome contains two copies of four types of histones, called H2A, H2B, H3, and H4, which form an octamer.
DNA wraps around this octamer of histones about 1.65 times in a left-handed superhelix to form a "beads on a string" structure. These nucleosomes are further compacted and organized into higher-order structures to form chromatin, which is a dynamic structure that regulates gene expression, DNA replication, and repair, the correct option is (b).
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The complete question is:
Several histones can bind to one DNA molecule, forming a repeating unit called a
a. ribozyme
b. nucleosome
c. topoisomerase
d. nucleoside
the radial arrangement of microtubules around the polar centrioles in an animal cell is called a(n)
Aster refers to the radial arrangement of microtubules surrounding the polar centrioles in an animal cell.
Nine microtubule triplets form the centriole, which is a circular structure. Most of the time, the centrioles that are next to each other are at right angles. Triplets are the arrangement of nine microtubules in a ring.
The term "array" refers to the arrangement of microtubules in cilia or flagella. Q. Statement: The game plan of axonemal microtubules in cilia or flagella is called the 9+2 cluster. Reason: The axoneme typically consists of a pair of centrally located microtubules and nine pairs or doublets of radially arranged peripheral microtubules.
Nine triplet microtubules in a circular arrangement make up the majority of centrioles. A triplet microtubule consists of an entire microtubule, the A-tubule, and two additional partial microtubules, the B- and C-tubules, which are attached to it.
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explain how a patient could have red blood cells in the urine even if the filtration membrane were still intact
Hematuria, a disorder marked by the presence of red blood cells in the urine, can have a number of causes. Even though a compromised filtration membrane is frequently the source of hematuria, RBCs can still be found in the urine when the membrane is healthy.
The RBCs' origin in the kidneys themselves is one theory that might be put forth. RBCs can be released into the urine when a network of blood arteries in the kidneys bursts as a result of injury, infection, or other factors. Blood in the urine is caused by glomerulonephritis, an inflammation of the glomeruli (tiny filters in the kidney). Kidney stones could also be a factor in the development of hematuria. A kidney stone moving through the urinary tract might harm the lining, resulting in bleeding and RBCs in the urine. Therefore, even though filtration membrane degradation can be a prevalent cause of hematuria, there are many other potential causes for RBC presence in urine if the membrane remains undamaged.
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the bulk of an herbaceous eudicot root consists of loosely arranged parenchyma cells in the: a. epidermis. b. periderm. c. cortex. d. endodermis. e. pericycle.
Parenchyma cells form the majority of an herbaceous eudicot root and are loosely arranged cortex. The correct answer is (C).
The pith and cortex, which are ground tissues, are produced by the ground meristem. The essence creates substance beams, which bring about the interfascicular cambium. The epidermis, a dermal tissue, is produced by the protoderm.
The storage of starch and the diffusion of water, nutrients, and other substances into the inner vascular structures are the cortex's primary functions. In the ground tissue, the cells are approximately organized and there is space between them, which works with gas trade between the stem and the encompassing air.
Dicots and monocots have different arrangements for the xylem and phloem. The vascular cambium separates bundles of phloem from the xylem, which is all situated in the middle of the dicot root.
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Which of the following correctly identifies letter C on the diagram below?
cerebellum
corpus collosum
medulla
thalamus
Answer: Cerebellum
Explanation:
A defect in the _____ results in difficulty in visual detection of color and fine detail. a. lens. b. cones. c. rods. d. cones and rods.
A defect in the cones results in difficulty in the visual detection of color and fine detail. The correct option is b.
Cones are specialized photoreceptor cells located in the retina of the eye that is responsible for detecting color and fine detail. A defect in the cones can result in difficulty in the visual detection of color and fine detail, which is known as color blindness or color vision deficiency. This condition can be genetic or acquired and affects both men and women.
In some cases, people with color blindness may only be able to distinguish between two or three colors, while others may see the world in shades of grey. There are different types of color blindness, including protanopia, deuteranopia, and tritanopia, each of which affects the ability to perceive different colors.
While color blindness is not a serious medical condition, it can affect a person's ability to perform certain tasks, such as driving or identifying color-coded objects, and may require special accommodations.
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Stars evolve, or change, over time. It may take millions, or possibly billions, of years for a star to complete its life cycle. Stars spend most of their life, 90%, on the main sequence, illustrated in the Hertzsprung-Russell diagram. What color(s) are main sequence stars?
A mid-range or white mid-range or white
B all colors in the range all colors in the range
C cooler colors, yellow, orange, and red-cooler colors, yellow, orange, and red
D hot end, blue
Main sequence stars are usually at the hot end and are coloured blue. Thus, the correct answer from the given options is option D.
What are the other colours of stars?Red: cooler stars with surface temperatures between 2,500 and 3,500 KOrange: stars with surface temperatures between 3,500 and 4,000 KYellow: stars like our sun with surface temperatures around 5,500 KWhite: hotter stars with surface temperatures between 7,500 and 10,000 KBlue: very hot stars with surface temperatures above 10,000 KThe hottest and most massive stars are found at the blue end of the spectrum, while the coolest and least massive stars are found at the red end of the spectrum. Therefore, main sequence stars range in color from blue to red, but the majority of them are hot, blue stars.
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I need help with a college assignment I don’t have time to do it and it’s reading a short essay and answering some questions if you could take the time to help it would be very much appreciated
Groups of living things called species can interbreed to create fertile offspring and have similar traits.
Biology is based on the idea of species, which is used to categorize and comprehend the diversity of life on Earth. Millions of species have been identified, ranging from simple single-celled organisms to sophisticated multicellular organisms like humans.
They regulate populations, provide food and nutrients for other creatures, and contribute to ecosystem services like pollination and nutrient cycling, among other vital ecological tasks.
Over millions of years, species have changed due to factors like natural selection, genetic drift, and gene flow. Threats to numerous species today include habitat loss, climate change, pollution, and overexploitation by humans.
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Complete question
I need help with a college assignment I don’t have time to do it and it’s reading a short essay on species. Answering some questions if you could take the time to help it would be very much appreciated.
true or false? testing a baby's blood for hiv antibodies provides evidence of the mother's hiv status. group of answer choices
The statement “Testing a baby's blood for HIV antibodies can provide evidence of the mother's HIV status” is true because a baby born to an HIV-positive mother may have acquired the virus during pregnancy, delivery, or breastfeeding.
Testing a baby's blood for HIV antibodies can provide evidence of the mother's HIV status because a baby born to an HIV-positive mother may have acquired the virus during pregnancy, delivery, or breastfeeding.
During pregnancy, the mother's antibodies can cross the placenta and enter the baby's bloodstream, which can result in the baby testing positive for HIV antibodies. However, this does not necessarily mean that the baby has HIV, and additional testing is needed to confirm the baby's HIV status, the statement is true.
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True or False: DNA polymerase can only work to elongate DNA in the 5` --- 3` direction?
True. DNA can only be extended by DNA polymerase in the 5' to 3' direction. This is so that the 5' phosphate group and the phosphodiester bond can be formed, which is catalysed by DNA polymerase.
Why does DNA grow 5 to 3 times longer?Using a deoxyribonucleotide, DNA polymerase separates the two terminal phosphates from the nucleotide's 5' end and then uses the free energy to create a phosphodiester bond.
Why only one way of DNA polymerase action?DNA polymerase can only synthesise in one direction by extending the 3' end of the previous nucleotide chain because it needs a free 3' OH group to begin synthesis. As a result, DNA polymerase travels in a 3'–5' direction along the template strand.
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