In circumstances where the body requires prolonged or increased levels of a hormone, the DNA of target cells will specify the synthesis of more receptors on the surface of the cells of the target organ. This is known as___________ .
A) up-regulation
B) sensitivity increase
C) cellular affinity
D) a stressor reaction

Question

Quizplus · Accepted Answer

Up-regulation is the process of increasing the number of receptors on target cells, which allows for increased sensitivity and responsiveness to a particular hormone. This is a cellular adaptation that occurs in response to prolonged or increased levels of a hormone in the body.

In Circumstances Where the Body Requires Prolonged or Increased Levels