The half-life of a hormone is
A) one-half of the time it takes to synthesize the chemical messenger molecule.
B) the time necessary to reduce the hormone concentration in the blood to half of what had been secreted.
C) half the time until the hormone molecule dissolves.
D) half of the duration of the hormone's effects on its target cells throughout the body.
Correct Answer:
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Q15: Steroid hormones are lipids,derived from
A)cholesterol.
B)glycerol.
C)amines.
D)polypeptides.
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A) a type of
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