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ser-zykov [4K]
3 years ago
11

What is a B cell? Apex

Biology
2 answers:
kykrilka [37]3 years ago
7 0

Answer:

Explanation:

B cell is also called B lymphocyte. It is a type of leucocytes or white blood cell. Some of the B cells mature in the bone marrow into the plasma cells and some mature as memory cells. The plasma cells make antibodies which fight against the disease-causing pathogens which entered the body. Thus, B cells are associated with the immune system of the body.  

zhuklara [117]3 years ago
4 0

Answer:

Laying the viral antigens activate specialized white blood cells called <em>B cells</em>. The <em>B cells</em> change into plasma cells, which can then create specific antibodies to attach to the viral antigens. Antibodies make the viruses clump together, so they are then easier for white blood cells to destroy.

Hope that helps!!

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Explain why athletes need to eat lots of complex carbohydrates during training.
Andru [333]

Answer:

The carbohydrate is one of the most important nutrients needed in the diet of an athlete, as they are important to increase their performance during physical activity and exercise.

Carbohydrate is the main source of energy needed by the brain and by our body for its proper functioning. when carbohydrates are eaten up they are broken up into small sugar unit called as glucose.

These glucose unit are stored in the muscle and liver in the form of glycogen to be used as a fuel at the time of exercise and during intense physical activity. It is known to enhance the athlete performance by delaying the fatigue and help them to compete for a longer period of time.

6 0
3 years ago
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guajiro [1.7K]
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3 years ago
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Explain the importance of immunological memory cells. Describe in detail how and when memory cells arise and explain how they fo
Vlad1618 [11]

Explanation:

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This kind of response is dependent on many subpopulations within T and B lymphocytes and NK cells. When encountering an antigen, B cells recognize it by membrane antibody specifically binding to the antigen and then being activated to expand rapidly with their progeny clones differentiating into plasma and memory B cells, these last ones have a long life span to remain in the body, ready when another encounter with the same stimulus occurs, this is how the basis for effective immunizations happens.

I hope you find this information useful! Good luck!

4 0
3 years ago
A. What is exponential growth?
Over [174]

Answer:

A process that increases quantity over time.

Explanation:

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X_{t}= X_{0} (1+r)^{2}

Exponential growth is a process that increases quantity over time. It occurs when the instantaneous rate of change of a quantity with respect to time is proportional to the quantity itself.

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3 years ago
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