Answer:
b. They express the appropriate receptor.
Explanation:
The signal transductions are extraordinarily specific and sensitive. Specificity is achieved by a <u>precise molecular complementarity between the signal molecules and the recepto</u>r. For example, the thyrotropin-releasing hormone produces a response in cells of the adenohypophysis, but not in hepatocytes, which lack the receptors to this hormone.
Answer:
maybe they are the same who knows
Explanation:
Answer:
humans
Explanation:
because I'm smart and I am a human
Answer:
a
Explanation:
i really don't know but it might be a
