Which of the following is NOT true of pituitary growth hormone?
A. It is necessary for fetal growth.
B. It directly promotes protein anabolism in many cells.
C. Hypersecretion of growth hormone in adults leads to acromegaly.
D. It is absent or deficient in pituitary dwarfs.
E. It causes differentiation of precursor cells that then respond to IGF-I by proliferating.
Answer: A
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