Tropic hormones are different from other hormones because they
a. stimulate other endocrine glands to release their own hormones.
b. control the release of the hormones of the pituitary.
c. have inhibitory effects on their target tissues.
d. are released in response to the general adaptation syndrome (GAS).
e. are produced in the hypothalamus.
Answer: a. stimulate other endocrine glands to release their own hormones.
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