RNA has a cap on one end and aPoly A tail on the other. Which of
the following is NOT a function of
these?

A. allows the strand to leave the nucleus

B. helps the strand attach to a ribosome to be
translated

C. signals that introns need to be spliced out

D. protects the strand from enzymes

Answers

Answer 1
Answer:

Answer: The answer is C

Explanation: The answer is signals that introns need to be sliced out, I got it right!

Answer 2
Answer:

Final answer:

C. signals that introns need to be spliced out. The 5' cap and the poly A tail of an RNA molecule serve to allow the molecule to exit the nucleus, attach to a ribosome, and protect from degradation. They do not signal for introns to be spliced out.

Explanation:

The RNA molecule has a 5' cap and a Poly A tail at the 3' end. These modifications play a few key roles in the functionality of the RNA molecule but the statement 'signals that introns need to be spliced out' (option C) is NOT one of the functions of these modifications.

The 5' cap allows the RNA to exit the nucleus and attach to a ribosome, while the poly-A tail helps stabilize the RNA, aids in the exit from the nucleus, promotes translation, and protects the RNA strand from enzymes that degrade RNA from the 3' end. Neither of these modifications signal for introns to be spliced out, that is primarily the function of spliceosome complex which recognize specific site sequences within the RNA.

Learn more about RNA Modifications here:

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About how many days does a human egg survive after leaving the ovaries? Select one of the options below as your answer:
a. one day
b. three days
c. five days
d. seven days

Answers

the amount of days in which a human egg could survive after leaving the ovaries is : A. one dayIn most cases, a human egg could only survive for about 12 -24 hours after leaving the ovaries. The only thing that can defy this is if we're using modern biotechnology. We can Freeze and store a human egg for a very long time using this method

Pretty sure it would be 1 day

Which of the following is true about renewable resources?A. They can be replaced by a healthy environment.

B. There are plenty for people to use, but only for a very short time.

C. Using them will hurt the environment.

D. They cannot be replaced after they are used up.

Answers

Answer:

Option A

Explanation:

Renewable resources can be replenished again and again with the right type of environment provided. For example hydroelectricity is generated again and again.

the answer should be 'a'
the second option: 'b' 

Government sanctioned activities to improve ecosystems have had little effect.

T
F

Answers

Government sanctioned activities to improve ecosystems have had little effect, is a false statement.

The answer would be False

Identify one way in which dietary preferences have shifted.

Answers

Answer:

Through cultural innovation and changes in habitat and ecology, there have been a number of major dietary shifts in human evolution, including meat eating, cooking, and those associated with plant and animal domestication.

Explanation:

Dietary preferences have shifted in many ways, including:

Increased consumption of processed foods, sugar, industrial seed oils, and poultry

Decreased consumption of butter, lard

, shortening

, dairy, fresh fruits, fresh vegetables, and red meat

Increased consumption of chicken and cheese

Decreased consumption of milk and ice cream

Increased consumption of corn-derived sweeteners

Increased consumption of foods high in energy, fats, free sugars, and salt/sodium

Decreased consumption of fruit, vegetables, and other dietary fiber such as whole grains

What are the main greenhouse gases?

Answers

Water vapor (important), ozonecarbon dioxidemethane, andnitrous oxide,

Answer:

Water vapor (important), ozone, carbon dioxide, methane, andnitrous oxide,

Explanation:

doing the quiz :)

What do scientists need to look at before developing an argument

Answers

Answer:

The correct answer will be- the procedural steps of scientific method.

Explanation:

Argumentation over a scientific issue is a part of the scientific method which is done at the time when the results are communicated to the scientific community.

Since the scientific investigations are based on the scientific methods, so the basis of the arguments will be the procedural steps of the scientific methods which could be the predicted observations, hypothesis, results, and the validity of the conclusions.

Thus, the procedural steps of the scientific method are the correct answer.

Hi There! :)

What do scientists need to look at before developing an argument?

The validity of data, claims, hypotheses, and observations.