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kifflom [539]
3 years ago
5

Proteins made by the body that recognize a specific feature of the surface proteins of an antigen.

Biology
1 answer:
Elanso [62]3 years ago
6 0
I think the solve is c
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Why is a cap added to mRNA, but not to tRNA or rRNA? Transfer RNA and rRNA exhibit complex structures with double stranded regio
DaniilM [7]

Answer:

The 5' cap is added to the mRNA as a means of protection from being degraded by enzymes in the cellular environment. Additionally. it helps with binding to the ribosome and subsequently translating it into a protein.

Explanation:

Moreover, it's only Polymerase II that has the ability to add the 5' cap and rRNA & tRNA are not transcribed by Polymerase II, only the mRNA is.

rRNA and tRNA have stable 3-Dimensional structures that protects it from being degraded by enzymes.

Hope that answers the question, have a great day!

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3 years ago
5. What happens to the blood flow in the cardiac cycle?
joja [24]

Answer:

the answer is C

Explanation:

6 0
3 years ago
State 2 environmental issues that could lead to environmental injustice
fenix001 [56]

Answer:

hope it helps you

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3 years ago
Which characteristics accurately describe roundworms? Check all that apply.
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round worms reproduce sexually

the nervous system of a roundworm contains a brain and nerve cords

8 0
3 years ago
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What might be a symptom of a person whose vein valves are not functioning properly and are causing fluid it flow away from the h
IrinaVladis [17]

Considering answers;

-fever

-constricted veins

-swollen veins

-confusion


Answer;

Swollen veins


Swollen veins might be a symptom of a person whose vein valves are not functioning properly and are causing fluid it flow away from the heart.


Explanation;

Valves are structures that are found in the circulatory system both in the heart and the veins.

They function to prevent the back flow of blood.

They do so by ensuring the continuous flow of blood in one direction.

If the valves are not functioning properly it may lead to various effects such as swollen veins due to the back flow of blood which may lead to the pooling of blood in the extremities.

4 0
3 years ago
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