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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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Which specific subdivision of the nervous system calms the body after strenuous physical activity?
7nadin3 [17]
The answer to this question would be: parasympathetic division

Parasympathetic nervous is part of the autonomous nervous system. In the autonomous nervous system, the sympathetic system is used when you enter the "fight or flight" mode. In this case, the body will be prepared to be able to take a decision as quickly as possible in a strenuous state. The nervous also cause an increase in the heart and breathing rate to increase body capability.
Parasympathetic is the opposite of it which was activated to calm the body so it can maintain the normal body function.
8 0
3 years ago
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AlekseyPX
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Identify the statement that correctly describes the change in body size between Homo habilis and Homo erectus.
mina [271]
Involved a dramatic and sudden increase
4 0
3 years ago
PLEASE HELP LOL this is from "Pearson Biology Chapter 2 lesson 4"
Arada [10]

Answer:

1. freshwater

2. estuary

3. intertidal

4. marine

5. deep

6. true

7. false (3 percent)

8. false (larger and deeper)

9. false (surface)

10. true

Explanation:

3 0
3 years ago
Which of the following is true of metabolism in its entirety in all organisms?
musickatia [10]

The correct answer is: C) Metabolism consists of all the energy transformation reactions in an organism.

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•  the conversion of food to building blocks (amino acids, free fatty acids, nucleotides, monosaccharaides) for macromolecules (proteins, lipids, nucleic acids, carbohydrates)  

• the elimination of nitrogenous wastes.

Reactions of metabolism can be catabolic (breaking down) or anabolic (synthesis) and also spontaneous (energy release) and non-spontaneous (require energy).

6 0
3 years ago
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