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klasskru [66]
3 years ago
12

The process of _____ results in the amplification of particular b cells with specificity for antigen:

Biology
1 answer:
marissa [1.9K]3 years ago
8 0
The process of __clonal selection__
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T-G-A-G-G-T-C-T-C-C-T-C T-G-A-G-G-T-C-A-C-C-T-C What type of mutation is depicted in this sequence?
kap26 [50]

Answer: The mutation is substitution.

Explanation:

There are three main types of mutation:

Substitution, deletion, and insertion.

We would be able to tell right away if the second sequence had an insertion or deletion, because it would have a different number of letters than first sequence. However, it does not. Both sequences have 12 letters.

But, the 8th letter in the first sequence (T) is different from the 8th letter in the second sequence (A).

This is substitution.

6 0
3 years ago
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Which characterization accurately describes BOTH regular fossils and index fossils?
kompoz [17]

Answer:

D

Explanation:

Fossils tell us where they came from.

Have a great day

7 0
3 years ago
True or false: The heart myocardium is nourished primarily through the diffusion of nutrients from the blood in the heart chambe
lesya692 [45]

It is false that the heart myocardium is nourished primarily through the diffusion of nutrients from the blood in the heart chambers.

<h3>Heart Myocardium?</h3>

Heart Myocardium is also called Cardiac muscle is a specialized type of muscle tissue that cover the heart. The cardiac muscle ontracts and relaxes nvoluntarily and it help to keep the heart pumping blood to the body.

Therefore, It is false that the heart myocardium is nourished primarily through the diffusion of nutrients from the blood in the heart chambers because it is nourished by blood flow through the coronary arteries.

Learn more about Myocardium from the link below.

brainly.com/question/1373449

4 0
2 years ago
Which statement represents photosynthesis?
BlackZzzverrR [31]

Answer:

Sunlight plus carbon dioxide and water make plant food.

Explanation:

I just did this question and got it right. That's how I know this is the answer. Good luck everyone.

4 0
3 years ago
What Is The Definition Of Obtain​
PtichkaEL [24]

Answer:

to get, acquire or secure

3 0
3 years ago
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