Questions: Up-regulation involves the loss of receptors and prevents the target cells from overreacting to persistently high hormone levels.

Up-regulation involves the loss of receptors and prevents the target cells from overreacting to persistently high hormone levels.
Transcript text: Up-regulation involves the loss of receptors and prevents the target cells from overreacting to persistently high hormone levels.
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Solution

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The answer is False: Up-regulation involves the loss of receptors and prevents the target cells from overreacting to persistently high hormone levels.

Explanation:

  • Up-regulation is a process where the number of receptors on the surface of target cells increases. This typically occurs in response to low levels of a hormone, allowing the cells to become more sensitive to the hormone.
  • The statement in the question describes down-regulation, not up-regulation. Down-regulation involves the loss of receptors, which occurs in response to persistently high levels of a hormone, reducing the cell's sensitivity to prevent overreaction.
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