The poly(a) sequence that is added to rna during processing: _________. select all that apply.

Answers

Answer 1
Poly A is added to the end of a eukaryotic mRNA modified. Polyadenylation is the combination of a poly(A) tail to a messenger RNA. It also consists of multiple adenosine monophosphate. In other words, it is a stretch of RNA that has only adenine bases. In eukaryotes, polyadenylation is one of the process which produces mature messenger RNA (mRNA) for translation.

Related Questions

Climate is a global factor that produces a. Earth’s unique ocean and atmosphere. b. the shape and elevation of landmasses. c. a wide range of environmental conditions that shapes communities. d. solar energy within the atmosphere.

Answers

Answer:

ANSWER : a wide range of environmental conditions that shapes communities.

Explanation:

Climate can easily be described as the average weather which occurs in a place over a long period of time probably over many years. The ecosystems and habitats around the earth are shaped due to climate as particular climate can be best for the living condition of one organism but be devastating for the living of another organism. The effect of climate on living communities is such devastating that a change in climate can cause the extinction of a particular kind of species. Climate shall not be confused with weather which is day to day temperature change.

Climate is a global factor that produces a wide range of environmental conditions that shape communities.

The correct option is C;  a wide range of environmental conditions that shape communities.

What is climate?

Climate is a region's averaged long-term weather pattern over a period of time, usually 30 years.

Iit is the average and variation of climatic variables over a period of time that can range from a few months to many millions of years.

Latitude, elevation, and the presence of ocean currents are examples of natural variables that have an impact on a region's temperature characteristics. A region's precipitation patterns are impacted by things like its closeness to mountain ranges and the direction of the prevailing winds.

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which of the following is NOT a true statement about ATP? A. used ATP is discarded by the cell as waste. B. ATP consists of ribose, adenine and phosphate. C. ADP forms when ATP releases energy. D. ATP provides energy for the mechanical functions of cells.

Answers

Answer: It’s actually A. Used Atp is discarded by the cell as waste

Explanation: They do not waste atp

Why is it more difficult to estimate heritability in humans than in livestock or laboratory animals?

Answers

Humans have always interbread with other groups and tribes, but grazing animals don't do that, so It is much easier to estimate it.

Answer:

It is more difficult to predict heritability in humans in comparison to laboratory animals or livestock is because humans cannot be used in the selective breeding experiments, which the animals go through. The artificial selection or the selective breeding refers to a procedure in which the laboratory animals are bred for a specific phenotype or trait. This procedure has been long used in experimental medical research.

A nurse is assisting a patient with ambulation. the patient becomes short of breath and begins to complain of sharp chest pain. which action by the nurse is the first priority?
a. call for the emergency response team to bring the defibrillator.
b. have the patient sit down in the nearest chair.
c. return the patient to the room and apply 100% oxygen.
d. ask a coworker to get the electrocardiogram (ecg) machine stat.

Answers

The correct option is B.
Having short breath and sharp pains in the chest are indications of cardiac distress and it indicate that the heart is been exerted upon. The first thing the nurse should do is to ask the patient to sit down in order to reduce the exertion force on the heart. Resting will allow the patient to become stabilized, the nurse can then check the patient's need for oxygen application.
 
Final answer:

The nurse's priority should be to have the patient sit down in the nearest chair.

Explanation:

The priority for the nurse in this situation would be to have the patient sit down in the nearest chair (option b). This is because the patient is experiencing shortness of breath and sharp chest pain, which could be symptoms of a heart attack. Sitting down will help reduce the workload on the heart and decrease the risk of further complications.

While options a, c, and d may also be appropriate actions in certain situations, immediate relief for the patient should be the nurse's priority. Once the patient is stabilized, further actions can be taken if necessary

Chargaff's studies of the base composition revealed that the amount of a equals t and the amount of g equals
c. these results were important determining which structural aspect of dna?

Answers

Chargaff's rule state that the DNA of living organisms have a 1:1 ratio of guanine to cytosine and adenine to thymine. The Chargaff's rule is important to the determination of the structural aspect of DNA because it is responsible for the base pairing rule which specifies how bases are arranged in the DNA structure. The base pairing rule states that Adenine always pair with thymine and guanine always pair with cytosine. These nitrogenous bases pair with each other by means of hydrogen bond.

What products would result from the complete hydrolysis of gly-ala-ser?

Answers

Final answer:

Complete hydrolysis of the tripeptide Gly-Ala-Ser would result in its constituent amino acids: glycine, alanine, and serine. This is because hydrolysis is a process where water is used to break down certain types of molecules, in this case, breaking the peptide bonds between the amino acids in the peptide.

Explanation:

The question is asking about the products resulting from the complete hydrolysis of a tripeptide, Gly-Ala-Ser. Given that the tripeptide Gly-Ala-Ser is composed of three amino acids: glycine (Gly), alanine (Ala), and serine (Ser), when it undergoes complete hydrolysis, these amino acids will be broken apart.

Hydrolysis is a chemical reaction where water is used to break the bonds of certain types of molecules. In the case of peptides, such as Gly-Ala-Ser, the peptide bonds between the amino acids are broken, resulting in individual amino acids. So, the products from the complete hydrolysis of Gly-Ala-Ser would be the individual amino acids: glycine, alanine, and serine.

The process of hydrolysis involves the addition of a water molecule, which breaks the peptide bond. One portion of the broken bond gains a hydrogen atom (H), and the other gains a hydroxyl group (OH) from the water molecule.

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The complete hydrolysis of the tripeptide Gly-Ala-Ser results in the release of three individual amino acids: glycine, alanine, and serine. This process involves breaking the peptide bonds through the addition of water.

The peptide Gly-Ala-Ser is composed of three amino acids: glycine (Gly), alanine (Ala), and serine (Ser). Complete hydrolysis of this peptide involves breaking the peptide bonds between these amino acids. This reaction results in the formation of the three individual amino acids as products.

Hydrolysis is typically carried out by adding water molecules, which cleave the peptide bonds and release the individual amino acids. The products of the complete hydrolysis of Gly-Ala-Ser are:

Glycine (Gly)
Alanine (Ala)
Serine (Ser)

difference between morphological and physiological variation

Answers

Hey there!

This is in contrast to physiology, which deals primarily with function. Morphology is a branch of life science dealing with the study of gross structure of an organism or taxon and its component parts.

Do you think osmosis occurs when a cell is in an isotonic solution explain your reasoning

Answers

The word isotonic is used to refer to the solutions (two solutions) which have the same osmotic pressure in both sides of the semipermiable membrane. The condition allows the free movement of water across the membrane. However, this does not change the concentration of the solution across the membrane. 

Hence, osmosis may not occur in this condition. 
Final answer:

In an isotonic solution, there is no net movement of water into or out of the cell.

Explanation:

Osmosis occurs when there is an imbalance of solutes outside of a cell versus inside the cell. In an isotonic solution, the extracellular fluid has the same osmolarity as the cell. This means that there is no net movement of water into or out of the cell.


Every ecosystem needs some organisms that return nutrients to the environment by breaking down the remains of other organisms. What is the name of this vital group of organisms?
A. consumers
B. decomposers
C. parasites
D. producers

Answers

Organic matter is recycled in an ecosystem by decomposers. Decomposers are organisms such as bacteria and fungi that break down the organic matter in the dead bodies of plants and animals. As the decomposers feed from the dead animals, they break down the organic compounds into simple nutrients
Final answer:

Decomposers are organisms that break down dead material and wastes, returning essential nutrients to the ecosystem, and are crucial for its stability.

Explanation:

The vital group of organisms that return nutrients to the environment by breaking down the remains of other organisms are known as decomposers. Decomposers are essential for the stability and survival of an ecosystem because they are responsible for the natural process of decomposition, which recycles nutrients back into the soil to be used by plants and other organisms. Not only do these organisms, such as bacteria and fungi, breakdown dead organic matter, but they also play a crucial role in the recycling of crucial nutrients like carbon and nitrogen.

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A nurse is preparing to suction a client nasotracheally. what actions will the nurse plan to do? select all that apply
a. turn on the suction device and set the regulator at 240 mm hg
b. assess the heart rate and rhythm and bedside o2 saturation level
c. apply continuous suction and slowly withdraw the catheter while rotating it back and forth
d. place the patient in a semi-fowler's position
e. observe the patient color while suctioning

Answers

a,b,c,e. Unless the fowler position is laying on they're back its al of them

How does nuclear fission produce energy?

A controlled nuclear chain reaction produces heat, driving steam turbines to produce energy.

Moving water turns turbines to produce electricity.

Carbon atoms are bombarded by small neutrons.

An uncontrolled nuclear reaction produces heat, driving steam turbines to produce energy.

Answers

A nuclear reactor produces and controls the release of energy from splitting the atoms of uranium. 

Uranium-fuelled nuclear power is a clean and efficient way of boiling water to make steam which drives turbine generators. Except for the reactor itself, a nuclear power station works like most coal or gas-fired power stations.

The first option.

Answer:

Option A

Explanation:

A controlled nuclear chain reaction produces heat, driving steam turbines to produce energy.

Copper, sulfur, and oxygen are examples of

Answers

Copper, Sulfur, and Oxygen are three examples of Elements, which can be easily located under the "Periodic Table". 

There are 118 elements in the periodic table. Copper, sulfur, and oxygen are examples of elements in the periodic table.

What is the compound name of copper , sulfur, and oxygen ?

The compound name of copper, , sulfur, and oxygen is copper sulfate that is CuSO4.

There are total in 118 elements of periodic table that is the total of 18 groups along with the 7 periods where the elements are divided into various groups depending upon their electronic configuration  and these groups are such as alkali metals. alkaline earth metals, halogens, noble gases etc.

The elements mentioned in the question are also the soil nutrients and these molecules play a major role in the biodiversity where Oxygen is important breathing gas, sulfur is major in hair protein and copper is present inside body as well.

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What is a cost of using technology to transport water?

A. Crops can be irrigated and grown in new areas.
B. Cities can be built in otherwise uninhabitable areas.
C. Freshwater supplies can be depleted in an area.
D. Floods can be averted in flood-prone areas.

Answers

the answer is c. I hope this helps you!

Answer: C. Freshwater supplies can be depleted in an area.

Water transportation refers to the intentional transfer of water from one geographic location to the other. The methods used to transfer water to long distances includes three categories:

1. Aqua ducts: This includes the transfer of water through pipes, canals and tunnels.

2. Container shipment: This includes transfer of water by using a vehicle or mode of transportation such as tank truck, tank ship and tank car.

3. Towing: This also includes a vehicle to pull water in it's solid form that is ice or in liquid state. Example a tugboat is used to pull an iceberg or pulling a large water bag along with it.

The water being transported by this method is usually from the natural water reservoir native of a land such as lakes, ponds, and rivers. With the increase in the supply and transportation of fresh water will result in depletion of water in the water source of the native land. The native population will not receive adequate water necessary for sustaining life in future.

Therefore, freshwater supplies can be depleted in an area is a cost of using technology to transport water.

What is the main mechanism for regulating hormone secretion?

Answers

Final answer:

Hormone secretion is primarily regulated by the negative feedback system, which maintains hormone concentrations at optimal levels by ceasing secretion when levels rise above the satisfactory range.

Explanation:

The main mechanism for regulating hormone secretion in the body is the negative feedback system. In this system, the level of a specific hormone in the bloodstream will dictate the regulation of its own secretion. For example, if the level of a hormone, such as insulin, rises in the bloodstream, the increase is detected by the body's sensors. These sensors then send signals to halt the secretion of more insulin. This effectively balances hormone levels and is the primary method for regulating hormone secretion.


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Final answer:

The main mechanism for regulating hormone secretion is negative feedback, which maintains hormone levels within a narrow range.

Explanation:

In negative feedback, a stimulus elicits the release of a hormone, and once the hormone reaches a certain level, it sends a signal to stop further release of the hormone. This helps maintain the concentration of hormones in the blood within a narrow range.

For example, the release of glucocorticoid hormones from the adrenal glands is regulated by negative feedback.

Hence, the answer is negative feedback.

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Which substance is an energy source but is not regarded as a nutrient?

Answers

Mark is a muscular football player while his friend, Bryan, appears to be overweight. They are both of the same height and weight. Can they have the same BMI?

A. No, since one is overweight and the other is muscular.
B. Yes, because BMI measures weight-for-height and not body fat composition. C. Yes, only because they are the same weight.
D. Yes, only because they are the same height. hope this helped 

__________ of the plant glossopteris provided evidence for wegener's hypothesis for continental drift

Answers

Fossils is the answer

The carbon in coal, oil, and natural gas come from

Answers

There are three major forms of fossil fuels: coal, oil and natural gas. All three were formed many hundreds of millions of years ago before the time of the dinosaurs – hence the name fossil fuels. The age they were formed is called the Carboniferous Period. It was part of the Paleozoic Era.
the answer is the combustion of fossil fuels

Journalists are more ________ than the population as a whole.

Answers

Journalists are more liberal than the population as a whole.This is stated in the famous Lichter study in the 1980s. The survey found that most of thee journalists were Democratic voters and that the attitudes of the journalists were more liberal than the general public about different topics.

Which topic could be investigated using the scientific method, with the investigation organized around a appropriate research question? A) moral values B) the supernatural C) the natural world D) personal preference

Answers

C) the natural world. That is because it wants you to use the scientific method. Hope this helps!

ps: I'm in middle school

Fish, trees, and animals are important wildlife resources that we depend on for survival. Fish are a main source of food for many of the people in the world. Trees have been used to build and heat homes, make paper, and provide food for centuries. Humans hunt land animals such as deer, fox, antelope, and buffalo for food and other products. What can we do to protect wildlife resources so they will be around for future generations?nothing–wildlife resources are renewable and will eventually replenish themselvesharvest fast-growing trees, impose fishing limits, and impose laws to prevent poaching and illegal huntingnot use wildlife resources–they are nonrenewable and cannot be replacednot allowing fish farming, selected harvesting of younger trees, and laws that do not put a limit on hunting

Answers

I think it is renewable so they can replenish

What is the role of a fungus’s fruiting body?
absorb nutrients
movement
produce spores
food production

Answers

Answer:

Option). produce spores.

Explanation:

The fruiting body of fungi is also known as sporocarp or fruit body that represents a multicellular, spore-forming structure. It is the part of sexual phase of life cycle of fungi, by which spores (such as asci) are produced.

The spores present in fruiting body are dispersed for sexual reproduction. An example of fruiting body is mushroom.

Thus, the correct answer is option). produce spores.

The fruiting bodies of fungi are generally known to serve the production of spores.

What are fungal fruiting bodies?

The fruiting bodies of fungi are a structure in the life cycle of some fungi.

Fruiting bodies are known for the storage of spores. Spores are reproductive gametes capable of giving rise to new fungi.

They vary in structures, sizes, shapes, and colors and these attributes can be utilized in identifying specific species of fungi.

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one positive inorganic ion important in human metabolism.

Answers

Inorganic ions play an important role in the proper functioning of various processes in the body. There are various positive inorganic ions that help on human metabolism such as Iron, Potassium, Calcium, Sodium, etc.

CALCIUM is an important positive inorganic ion that acts as a biological messenger in cell signalling. Bones and teeth are also formed of calcium.

When water diffuses into or out of a cell, it is called?

Answers

It is called osmosis.

The 30 trillion or so cells in your body require a continuous supply of oxygen and nutrients and an unending removal of waste materials. the blood carries these materials in the body's circulation within a series of closed tubes, called

Answers

Sounds like Your cardiovascular system, the closed tubes must be your blood vessels, siencey  term: your Angio, which means blood vesels

What is the cytoplasm?

Answers

The jelly like subtance that hold all of the organelles inside a cell

The gel-like substance of a cell that holds the cell together also called protoplasm.

You are charged with securing a site to build a wind farm as you survey different potential sites you look for the one that

Answers

the reasonable answer to me would be If you are building a wind farm, you'd want a place where the wind constantly blows so you could harbor the wind and turn it into energy.

Answer:

In the given question, one should look for the site that experiences wind continuously all throughout the year.

Explanation:

At the time of searching for a location for constructing a wind farm, one should ensure that they are in a place where winds are not too weak and not too strong, and there should be wind all through the year so that one can utilize the power of the wind most efficiently. The wind turbines can be very loud and big, and thus, one should also ensure that they are not threatening wildlife and humans in the region.

Conditions, such as phenylketonuria or sickle cell anemia, are produced by _____ abnormalities.

Answers

Those conditions are produced by genetic abnormalities [passed down by parents or skipped generations.]


When an animal cell is placed in a hypotonic solution, _____.

it will gain water and may burst
it will lose water and shrink
it will remain the same size
the cell's reaction cannot be determined

Answers

It will gain water and may burst. The water concentration is higher outside the cell since the solute is more concentrated inside the cell. To maintain the same concentration, water will rush into the cell trying to dilute the solute

Answer:

It will gain water and may burst

The opening of stomata is thought to involve _____.

Answers

The opening of the stomata is thought to have or involve with an increase in regards with the osmotic concentration in terms of the guard cells. The guard cells are the ones surrounding the stomata in which when they are pressured, they are likely to grow small or big.

How does nuclear fission produce energy?

A controlled nuclear chain reaction produces heat, driving steam turbines to produce energy.

Moving water turns turbines to produce electricity.

Carbon atoms are bombarded by small neutrons.

An uncontrolled nuclear reaction produces heat, driving steam turbines to produce energy.

Answers

The answer should be A. A controlled nuclear chain reaction produces heat, driving steam turbines to produce energy.

Answer:

Option A, A controlled nuclear chain reaction produces heat, driving steam turbines to produce energy.

Explanation:

In a nuclear power plant,  the following processes takes place –

a) Series of nuclear chain fission reaction occur

b) Enormous amount of energy in the form of heat is released during each fission reaction

c) The condenser (heavy water) with in the plant absorbs this heat and converts into vapor.  

d) Water vapor or steam has high velocity which is then used to rotate the turbine connected with generator coil.  

e) Rotating coil  of generator produces electrical energy.

Hence, option A is correct

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