What happens once the newly made antibodies find and attach to the antigen? What are the 5 possibilities. Explain how memory cells help to speed up future immune responses to pathogens the body has already seen, and how much the immune response is sped up by. Use the terms primary and secondary immune response in your answer.

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A:

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A: A cell membrane separates all cells from their surroundings. The cell membrane controls what enters…

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A: Pollution is the addition of substances to air, and water that reduces their quality.

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A: The outcome of  increased synthesis of protective pigments :-

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Defense Mechanism

Circumstances influence and compel people to behave in a certain way. One such behavior is a defense mechanism. It is employed by people to escape from unpleasant circumstances, thoughts and actions. Defense mechanisms are, thus, psychological strategies that help to avert and avoid unwanted feelings such as guilt or shame and situations such as threat and danger.