Which comparison of this new process of hydrogen production and photosynthesis is supported by the information provided?

Answers

Answer 1

The researchers at NREL examined solar thermochemical hydrogen photosynthesis, a new approach for water splitting that may be more energy-efficient than the more traditional electrolysis method.

Water must be electrolyzed in order to be split into oxygen and hydrogen. Plants use sunlight during photosynthesis to split water into oxygen and hydrogen, which they subsequently combine with atmospheric carbon dioxide to produce carbohydrates. Three fundamental processes—autothermal reforming, partial oxidation, and steam reforming—can be used to create hydrogen gas from hydrocarbon fuels. Hydrogen ions play a crucial role in plant respiration as well as in assisting proton gradients that power the chain of electron transport during photosynthesis. In order to assemble sugars as well as other molecules to create glucose, which is used by plants as energy, hydrogen is required.

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Related Questions

what is the correct precision??

what is the correct precision??

Answers

you have to count the lines so the answer is 15

Separate blood vessel cells assembling into a tube so that blood can flow through is an example of _________ , because separately none of these cells can accomplish what they can together.
a. an emergent property
b. an independent variable
c. a standardized variable
d. a control

Answers

The correct answer is (a) an emergent property. The assembly of separate blood vessel cells into a tube, enabling blood to flow through, is an example of an emergent property.

Emergent properties refer to the characteristics or functions that arise from the interaction or combination of individual components or parts. In this case, the individual blood vessel cells do not have the ability to form a functional blood vessel on their own.

However, when they come together and interact in a specific manner, they give rise to the emergent property of a functional blood vessel, which allows blood to flow through.

This concept of emergent properties is often observed in complex systems, where the whole entity exhibits properties that are not directly attributable to its individual components. It highlights the importance of understanding how interactions and relationships among components can lead to new and distinct properties or functions at a higher level of organization.

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helppppppppppppppppp

helppppppppppppppppp

Answers

Answer:

Choose the corresponding number. (The answer is explained in the explanation in the biological terms).

Explanation:

The label that points to the part of the ATP synthase that is like the blades of a turbine is labeled "F1." The F1 component of ATP synthase contains the catalytic sites responsible for synthesizing ATP, and it rotates like a turbine to drive the synthesis of ATP. Similarly to how the blades of a turbine are moved by water or wind, the F1 component is rotated by the flow of protons through the enzyme, which generates the energy needed to produce ATP.

Regarding the triplet code of DNA, which of the following sentences is true? 1 pike each DNA base codes for three amino acids there are three genes that code for a protein, each amino acid is coded for by three DNA bases each triplet codes for several amino acids​

Answers

Answer:

The following sentence is true regarding the triplet code of DNA: Each amino acid is coded for by three DNA bases.

Explanation:

The genetic code is a set of rules that specify the correspondence between the three-letter codons in DNA and the twenty standard amino acids used to build proteins. Each codon codes for a single amino acid, except for three "stop" codons that signal the end of the protein sequence. Therefore, a sequence of three DNA bases (a triplet) corresponds to a specific amino acid, and the order of the triplets determines the order of amino acids in the protein sequence.

Please, could someone help me with this?

Please, could someone help me with this?

Answers

1. abortion

2. testing cosmetic products on animals

hope this helps :)

compared to lump-sum taxes, most taxes based on the benefits principle are efficient and equitable

Answers

Taxes based on the benefits principle are more efficient and equitable compared to lump-sum taxes. They tie the tax burden to the benefits received, ensure that individuals with higher incomes contribute more, and promote a fairer distribution of the tax burden.

Compared to lump-sum taxes, most taxes based on the benefits principle are more efficient and equitable.
Efficiency refers to how well a tax system achieves its intended goals without causing unnecessary burdens or distortions. Taxes based on the benefits principle are generally more efficient because they tie the tax burden to the benefits received from government services or programs. This means that those who benefit more from these services or programs will pay higher taxes, while those who benefit less will pay lower taxes.

For example, if a person earns a higher income, they will likely benefit more from public infrastructure, education, healthcare, and other government services. Therefore, a tax system that is based on the benefits principle would require them to pay a higher percentage of their income in taxes compared to someone who earns a lower income.

Equity refers to fairness and justice in the distribution of the tax burden. Taxes based on the benefits principle are also considered more equitable because they take into account individuals' ability to pay and the benefits they receive. This means that the tax burden is distributed in a way that is proportional to people's income or wealth. For example, a progressive income tax system is based on the benefits principle because it requires those who earn higher incomes to pay a higher percentage of their income in taxes. This helps to redistribute wealth and reduce income inequality, making the tax system more equitable.

In contrast, lump-sum taxes are a fixed amount that everyone has to pay regardless of their income or the benefits they receive. This type of tax is not based on the benefits principle and can be considered less efficient and equitable. It does not take into account individuals' ability to pay or the benefits they receive from government services. For example, if a lump-sum tax of $500 is imposed on everyone, it may be a burden for low-income individuals while being insignificant for high-income individuals.

In summary, taxes based on the benefits principle are more efficient and equitable compared to lump-sum taxes. They tie the tax burden to the benefits received, ensure that individuals with higher incomes contribute more, and promote a fairer distribution of the tax burden.

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Complete Question: Compared to lump-sum taxes, which type of taxes, based on the benefits principle, are generally considered more efficient and equitable?

A person has a sex-linked inheritable disease. Which statement is true about the set of chromosomes which are likely to carry the genes for this disease?

1-The gene is present on a single pair of chromosomes.
2-The gene is present multiple pairs of chromosomes.
3-The gene is always present on an X chromosome.
4-The gene is always present on a Y chromosome.​

Answers

The statement is true about the set of chromosomes that are likely to carry the genes for this disease is the gene is present multiple pairs of chromosomes.

What is an example of autosomal?

An autosomal recessive disorder needs two copies of the altered gene to compel the disease.

For example the Huntington's disease.

Thus, option "B" is correct, The gene is present multiple pairs of chromosomes.

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Answer:

b

Explanation:

A channel protein, but not a carrier protein, can exist in a open configuration creating a pore through a membrane. True or false?.

Answers

The given statement is true.

On one side of the membrane, carrier proteins bind to molecules or ions and release them on the opposite side.In order to allow target molecules or ions to diffusely pass through the membrane without interfering with one another, channel proteins make holes/pores that permeate the membrane.The specific solute to be transported is bound by carrier proteins (also known as carriers, permeases, or transporters), which then go through a series of conformational changes to move the bound solute across the membrane.In contrast, channel proteins have significantly weaker interactions with the solute being conveyed.While some channel proteins are always open, others are "gated," which means that they respond to a specific stimulus to either open or close the channel (like an electrical signal or the binding of a molecule).Transport proteins known as channel proteins contain a hydrophilic channel via which specific molecules or ions can pass across the membrane (Ex: aquaporins for water). Transport proteins known as carrier proteins bind to molecules and modify their structure to move them across the membrane.

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which body part from other systems does not interact directly with breathing?

Answers

Answer:

The process of physiological respiration includes two major parts: external respiration and internal respiration. External respiration, also known as breathing, involves both bringing air into the lungs (inhalation) and releasing air to the atmosphere (exhalation). During internal respiration, oxygen and carbon dioxide are exchanged between the cells and blood vessels.

Respiration begins at the nose or mouth, where oxygenated air is brought in before moving down the pharynx, larynx, and the trachea. The trachea branches into two bronchi, each leading into a lung. Each bronchus divides into smaller bronchi, and again into even smaller tubes called bronchioles. At the end of the bronchioles are air sacs called alveoli, and this is where gas exchange occurs.

Diagram labeling the major structures of the respiratory system

Diagram labeling the major structures of the respiratory system

Image credit: Arteries and veins of the body by OpenStax, CC BY 4.0

An important structure of respiration is the diaphragm. When the diaphragm contracts, it flattens and the lungs expand, drawing air into the lungs. When it relaxes, air flows out, allowing the lungs to deflate.

Common mistakes and misconceptions

Physiological respiration and cellular respiration are not the same. People sometimes use the word "respiration" to refer to the process of cellular respiration, which is a cellular process in which carbohydrates are converted into energy. The two are related processes, but they are not the same.

We do not breathe in only oxygen or breathe out only carbon dioxide. Often the terms "oxygen" and "air" are used interchangeably. It is true that the air we breathe in has more oxygen than the air we breathe out, and the air we breathe out has more carbon dioxide than the air that we breathe in. However, oxygen is just one of the gases found in the air we breathe. (In fact, the air has more nitrogen than oxygen!)

The respiratory system does not work alone in transporting oxygen through the body. The respiratory system works directly with the circulatory system to provide oxygen to the body. Oxygen taken in from the respiratory system moves into blood vessels that then circulate oxygen-rich blood to tissues and cells.

Studying for a test?

Explanation:

When Mendel crossed all purple plants with all white plants all of the offspring were purple because?

Answers

Mendel then mixed these plant lines for purebreeding and noted the characteristics of the hybrid offspring. All the first-generation (F1) hybrids, he discovered, resembled one of the parent plants.

What distinguishes progeny from a hybrid?

"Progeny" refers to a child. A simple descendant, a child. A hybrid, however, is completely different. A hybrid is produced when two homozygous creatures mate and the progeny's genetic make-up combines the two. The first hybrid generation, or F 1 progeny, resembles either of its parents.

What does hybrid mean?

What Exactly Is a Hybrid?Definition of hybrid In terms of biology, a hybrid is described as the product of sexual reproduction combining the traits of two creatures belonging to distinct breeds, species, varieties, species, or genera.

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Elderly people fear dependency because
they lose their independence,
b. their status in society changes.
it necessitates new role behaviors.
all of the above
d.

Elderly people fear dependency becausethey lose their independence,b. their status in society changes.it

Answers

I would say the answer is D

I hope this helps :)

According to the question, Elderly people fear dependency because all of the above.

What are old people worried about?

Fear of losing independence as they grow older is a key concern across the ages. whether that could mean losing memory, being in poor health or not having financial security.

Thus, option "D" is correct.

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what might be some of the implications for stone tool development among hominins?

Answers

The development of stone tools among hominins has several implications. It reflects their capacity to modify their environment and create tools for specific purposes, such as hunting, cutting, and processing food.

Technological Advancement: Stone tool development signifies a significant advancement in the technological abilities of hominins. Cognitive Abilities: The ability to conceive, design, and manufacture stone tools requires a certain level of cognitive abilities, including problem-solving, planning, and spatial reasoning. The development of stone tools suggests an advancement in the cognitive capabilities of hominins.Adaptation and Survival: Stone tools enabled hominins to adapt to different environments and exploit resources more efficiently. They could use tools for hunting, defense, and various daily tasks, enhancing their chances of survival and success in their respective ecosystems.Social Dynamics: Stone tool development might have influenced social interactions among hominins. The sharing and transmission of tool-making knowledge could have fostered social cohesion, cultural traditions, and intergroup exchanges.

Evolutionary Significance: Stone tools are considered a hallmark of human evolution. The development and refinement of tool-making techniques played a crucial role in shaping the physical and behavioral traits of early hominins, contributing to the emergence of the Homo genus.

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Which element does not exist as a gas in the atmosphere?*


carbon
hydrogen
nitrogen
oxygen
phosphorus

Answers

Answer:

Carbon does not exist as a gas in the atmosphere. I hope this is the answer

Carbon doesn’t exist as a gas

The Main Value of the Flower to the Plant is for...
Adaptability for Sunlight Harvesting
Sexual Reproduction
Glucose Attraction
Water Storage

Answers

A number of genetic networks are linked to the growth and withering of plants, flowers, and fruits, and the phytohormone ethylene is important.

What benefit do flowers provide in terms of adaptation?

Many plants have evolved flowers as a means of producing seeds for the germination of new plants. Some flowering plants attract insects with their vibrant petals and sugary liquid known as nectar. Visiting insects aid in spreading honey among flowers so that seeds can develop.

What benefit does sexual reproduction have for plants?

Sexual reproduction results in variable offspring, which gives populations diversity and variance. It is crucial for plants because it gives variation to the offspring, which aids in improved survival, enables it to become distinctive within the species, and helps it get rid of undesirable genes.

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Bacterial flagella have a biological motor that spins within the cell wall and is powered by ATP. This allows the flagella to spin in a whiplike motion to propel the bacterium. Is this statement True or False?

Answers

Answer:

False

Explanation:

Bacterial flagella have a biological motor that spins within the cell wall and is NOT powered by ATP.

Instead the Bacterial flagella is known as the biological motor that spins the flagella for the motion of the bacteria and is as a result of the electron imbalance in the membranes which helps in the generation of a gradient. The cells makes use of the energy present in the gradient through the help of proton motive force which helps to propel it.

Which type of lipid has a least one double bond ( i.e. a kink?)
a -saturated
b- unsaturated
c - monosaccharide
d - disaccharide

Answers

Answer:

B Unsaturated

Explanation:

Unsaturated fat, a fatty acid in which the hydrocarbon molecules have two carbons that share double or triple bond(s) and are therefore not completely saturated with hydrogen atoms.

what evidence is there from these drosophila experiments that the genes for wing shape and bristles are inherited independently of each other

Answers

The evidence from these Drosophila experiments that the genes for wing shape and bristles are inherited independently of each other is genes for wing shape and bristles are inherited independently of each other.

Since the two genes were on sepаrаte chromosomes, they were аble to do so. Thus, the frequency of аppeаrаnce of these two trаits hаs no relаtionship. They were inherited independently, with no correlаtion or linkаge in the genetic inheritаnce of wing shаpe аnd bristles.

The inheritаnce of а gene is аccomplished by the chromosome it is on. Different trаits cаn be inherited independently of one аnother if they аre locаted on different chromosomes. If two genes аre found on the sаme chromosome, they аre more likely to be inherited together. Genes thаt аre locаted neаr one аnother on the sаme chromosome аre sаid to be linked.

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Which of the following statements is true about the Large Ground Finch and the Woodpecker Finch?
A. They are different species, therefore their niches do not overlap and they do not compete.
B. Their beaks are adapted to different food sources, so their niches generally do not compete.
C. Their beaks are adapted to different food sources, so their niches will compete.
D. They are similar enough that their niches overlap, causing them to compete for most resources.

Answers

Answer:

I think the answer is A. They are different species, therefore their niches do not overlap and they do not compete.

Explanation:

I hope this helps!

Large Ground Finch and the Woodpecker Finch, Darwin finches are similar enough that their niches overlap, causing them to compete for most resources. Thus option D is correct.

What is Large Ground Finch ?

Among all Darwin’s Finches, The Large Ground-Finch is most endemic  and largest species group  in Galapagos Islands.

Morphologically it has large beak  which allow them to feed on the available seeds and large insects.

The shape of the bill  involves generation of  slower and lower-pitched sounds and also nasal calls.

It is mostly seen in arid lowland areas, mostly in archipelago and absent from the southeastern islands.

In case of adult  male, they are entirely black, slight browner at their wings and tail, tail is slightly short.

During breeding its bill become black , after the breeding it turns into orange yellow.

Thus option D is correct.

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1. Which of the following is an example of sensitization:
You blink each time your eye doctor gives you a puff of air in your eyes.
A dog was hit by his previous owner, and now the dog cowers each time his new owner reaches out to pet him.
You no longer feel your shirt touching your skin.
You're walking on the sidewalk and a bicyclist almost hits you, so you jump out of the way.

Answers

The example of sensitization from the given alternatives is that 'A dog was hit by his previous owner, and now the dog cowers each time his new owner reaches out to pet him.'

Sensitization refers to the process in which an organism becomes more sensitive to stimuli, both good and bad. It happens when the body's nervous system becomes oversensitized to a particular stimulus that it begins to respond even to weaker or non-threatening stimuli.

The example given in the first option refers to a simple reflex action that occurs in response to the puff of air that is blown into the eyes during the eye examination. The third option is about sensory adaptation, which occurs when sensory receptors are exposed to stimuli for an extended period, resulting in a reduction in sensitivity. The fourth option refers to the fight or flight response that occurs as a result of a threatening stimulus, in which an individual's body prepares to confront or flee from danger.

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Through_______ , larger molecules are formed.

Answers

Through Photosynthesis larger molecules are formed

Polymerization.

If you forget what Polymerization is, here: process of when reacting monomer-molecules together in a chemical reaction to make polymer chains or three dimensional networks. There are a lot  of forms for polymerization and different systems exist to categorize them.

If a trait is influenced by genes, then it ought to be more highly correlated across pairs of ________ than across pairs of ________.

Answers

Answer:

 identical twins

fraternal twins

If a trait is influenced by genes, then it ought to be more highly correlated across pairs of identical twins than across pairs of fraternal twins.

What are Twins?

Twins are defined as two offspring produced from a single pregnancy, which can either be monozygotic means that they develop from a single zygote, which splits and forms two embryos, or dizygotic means that each twin develops from a separate egg and each egg is fertilized by the own sperm cell.

Identical twins are also called as monozygotic twins which results from the fertilization of a single egg by a single sperm, with the fertilized egg then splitting into two. These share the same genomes and are always of the same sex.

Fraternal twins are called dizygotic twins which result from the fertilization of two different eggs with two different sperms during a single pregnancy. They share half their genome just like any other siblings which may not be of the same sex or look alike.

Thus, if a trait is influenced by genes, then it ought to be more highly correlated across pairs of identical twins than across pairs of fraternal twins.

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The Elizabethan theater as we know it develops slowly. In 1562 the play Gorboduc, the first English play to include blank verse, is performed in front of the queen at the Inner Temple in London. This is written by two gentlemen, Thomas Sackville (the future earl of Dorset) and Thomas Nor­ton, and leaves a lasting impression. Its tale of a kingdom torn between two heirs has great significance for the audience of the day. Other plays follow, drawing on classical themes as well as on ancient British and medieval history, written by (among others) John Heywood, John Pickering, and Lewis Wager. A sign of their success is the construction in 1567 of the first purpose-built theater, the Red Lion, built by John Brayne in Whitechapel.

–The Time Traveler's Guide to Elizabethan England,
Ian Mortimer



Identify the order in which the events occurred.
Which event happened first?

Which event happened second?

Which event happened last?

Answers

Which event happened first?

Garboduc

Which event happened second?

Other

Which event happened last?

The Red

Description of events

The drama Gorboduc by Thomas Sackville and Thomas Norton, which was composed in 1561, is the first event in chronological order.

The second incident is the performance of the play Gorboduc in front of Queen Elizabeth I at London's Inner Temple in 1562.

The third activity is the staging of additional plays by John Heywood, John Pickering, Lewis Wager, and others that include classical themes and historical references to mediaeval and ancient Britain.

The Red Lion, the earliest purpose-built theatre, was constructed in Whitechapel by John Brayne in 1567.

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what is a bomite mineral?

Answers

Answer: bornite

Explanation: A copper-ore mineral, copper and iron sulfide (Cu5FeS4). Typical occurrences are found in Mount Lyell, Tasmania; Chile; Peru; and Butte, Mont., U.S. Bornite, one of the common copper minerals, forms isometric crystals but is seldom found in these form

What phenotypic results would you predict if starting with the following population sizes? a. 1000: b. 100: c. 10:

Answers

The phenotypic results that I would predict if starting with the following population sizes (a. 1000, b. 100, c. 10) would depend on the genetic variation within the population and the selective pressures that are acting on the population.

For a population size of 1000, I would predict that there would be a higher level of genetic variation within the population, which would result in a greater range of phenotypic variation.

This would allow for a greater chance of adaptation to changing environmental conditions, and a greater likelihood of the population surviving.

For a population size of 100, I would predict that there would be a lower level of genetic variation within the population, which would result in a smaller range of phenotypic variation.

This would decrease the chance of adaptation to changing environmental conditions, and a lower likelihood of the population surviving.

For a population size of 10, I would predict that there would be an even lower level of genetic variation within the population, which would result in a very small range of phenotypic variation.

This would greatly decrease the chance of adaptation to changing environmental conditions, and a very low likelihood of the population surviving.

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major arteries of the brain

Answers

The main arteries of the brain are the vertebral and basilar arteries.

What are the main arteries of the brain?

The vertebral and basilar arteries supply the

brainstemcerebellumposterior cerebral cortexand medial temporal lobe.

The posterior cerebral arteries bifurcate from the basilar artery to supply the medial temporal (including the hippocampus) and occipital lobes, thalamus, and mammillary and geniculate bodies.

With this information, we can conclude that the main arteries of the brain are the vertebral and basilar arteries.

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Question 12

Please place the steps of primary succession in order from from first (top) to last (bottom).


Reorder answers

1. Exposed bare rock due to volcanic eruption or glacier


2. Pioneer species arrives (like lichen)


3. Deciduous tree move in


4. Small plants start to grow


5. Evergreen trees start growing


6. Soil starts forming and mosses begin growing

Answers

Answer:

Here are the steps of primary succession in the correct order:

Exposed bare rock due to volcanic eruption or glacier

Pioneer species arrives (like lichen)

Small plants start to grow

Soil starts forming and mosses begin growing

Deciduous trees move in

Evergreen trees start growing

most illustrator projects will either be ____ documents or used on the web

Answers

Most illustrator projects will either be print documents or used on the web.

What is a illustrator projects?

Illustrator projects refer to visual designs created using Adobe Illustrator, a vector-based software widely used by graphic designers, artists, and illustrators.

Illustrator is known for its precision, scalability, and flexibility, allowing users to create a wide range of artwork, including logos, icons, typography, illustrations, and more. Illustrator projects can be created for print or digital media and are typically saved as vector files that can be scaled up or down without losing quality.

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Compare the basic treatments for type 1 and type 2 diabetes.

Answers

Answer:

Both types of diabetes can be managed by eating healthy and being physically active.

Type 1 diabetes can be managed by taking injections of insulin.

Both types of diabetes can be managed by controlling blood pressure and cholesterol levels.

Cells are to tissues as tissues are to _____.

Answers

Answer:

organs

Explanation:

Sorry if this is not helpful but I think it is organs

how does the function of poly-a polymerase differ from rna polymerase?

Answers

Poly-A polymerase and RNA polymerase are both enzymes involved in the process of transcription, where genetic information from DNA is copied into RNA molecules. However, their functions differ significantly.
Role of RNA polymerase:
RNA polymerase is responsible for synthesizing RNA molecules from DNA templates. It binds to the DNA at specific promoter regions and begins to build a complementary RNA molecule by adding nucleotides one by one in a specific sequence.
Role of poly-A polymerase:
On the other hand, poly-A polymerase plays a role in the post-transcriptional modification of RNA molecules. Specifically, it adds a chain of adenosine nucleotides (known as the poly-A tail) to the 3' end of newly synthesized mRNA molecules. This modification helps to protect the mRNA from degradation and aids in its export from the nucleus to the cytoplasm.

In summary, RNA polymerase is responsible for building RNA molecules from DNA templates during transcription, while poly-A polymerase adds a poly-A tail to the end of mRNA molecules to aid in their stability and export.

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Poly-A polymerase and RNA polymerase are both enzymes involved in the process of transcription, where genetic information from DNA is copied into RNA molecules. However, their functions differ significantly.
Role of RNA polymerase:
RNA polymerase is responsible for synthesizing RNA molecules from DNA templates. It binds to the DNA at specific promoter regions and begins to build a complementary RNA molecule by adding nucleotides one by one in a specific sequence.
Role of poly-A polymerase:
On the other hand, poly-A polymerase plays a role in the post-transcriptional modification of RNA molecules. Specifically, it adds a chain of adenosine nucleotides (known as the poly-A tail) to the 3' end of newly synthesized mRNA molecules. This modification helps to protect the mRNA from degradation and aids in its export from the nucleus to the cytoplasm.

In summary, RNA polymerase is responsible for building RNA molecules from DNA templates during transcription, while poly-A polymerase adds a poly-A tail to the end of mRNA molecules to aid in their stability and export.

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To win the war, the Confederacy wanted towin the support ofA. Germany and SpainB. France and BritainC. Italy and Russia What do you think Patriotism means in America today? At the school carnival, students can buy tickets in packs of 10. Each packof 10 tickets can be used for food or games. Use the coordinate grid below todetermine how many packs of tickets a student can purchase for $27.00. In the Great Lakes region of North America, gray wolves and coyotes are similar species but do not mate because their breeding periods occur at different times of the year.Geographic isolationBehavioral isolationTemporal isolation (a) Show that if is an eigenvalue of A, then is an eigenvalue of [tex]A^{T}[/tex]. Show with an example that the eigenvectors of A and [tex]A^{T}[/tex] are not the same.(b) Show that if is an eigenvalue of A, and A is invertible, then ^-1 is an eigenvalue of A^-1. What is health education On the coordinate grid, the graph of y = 3x - 1 + 3 isWhat is the domain of the graphed function?shown. It is a translation of y = 3x.Ty{x 1O {y|1 < y What are the reactants in the equation for cellular respiration?Group of answer choicesglucose and oxygenwater and glucoseoxygen and lactic acidcarbon dioxide and water Which of the following is true of cytotoxic T cells?Question 31 options:They secrete granzymes and perforins that directly damage target cells.They are activated by free, soluble antigens.They lack specificity for antigen.They secrete interleukin-2 to stimulate B and T cells. (100 POINTS AND BRAINLYEST) Index fossils give us clues to_______________? the history of the wooly mammouth the diet of early man species and paleoenvironments long ago multicellular organisms an older adult client has decreased muscle tone and strength. for which environmental impact(s) should the nurse assess in this client? select all that appl WHIch countries were satellites states of the Soviet Union after ww2A.east Germany and west Germany B.france and Italy C.ukraine and Austria D. Poland and Hungary Can someone help with this word problem What is the function of antibiotics?1. Antibiotics strengthen the immune system.2.Antibiotics kill or slow the growth of bacteria.3.Antibiotics destroy viruses.4.Antibiotics kill insects. Here are two equations. one defines function m and the other defines function p.m(x) = x( x + 6) p(x) = ( x + 3 )^2 - 91.) show that the expressions defining m and p are equivalent.2.) what is the vertex of the graph of m? explain how you know.3.) what are the x-intercepts of the graph of p? explain how you know. what is a snowmans favorite food???? And its not iceburger What is the answer to this problem 2x4/5 WILL MARK BRAINLIEST What is the biggest difference (other than their size) between a hot air balloon and a regular balloon? What's the equation of a line that passes through points (1, 5) and (1, 3)?1. y = -2x2. y= 4x-13. y= -x +44. y= 1/4 x -220 POINTS FOR ANSWER!!! Given f of x is equal to 1 over the quantity x minus 2 end quantity and g of x is equal to the square root of the quantity x plus 2 end quantity comma what is the domain of f (g(x))?