Hypothetically, if the interstitial endocrine cells of a male were selectively killed off by an environmental toxin, which of the following would occur?
A. His voice would become deeper.
B. He would experience increased virility.
C. He would experience increased hairiness (hirsutism).
D. His testosterone levels would decrease.
Answer: D
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Reproductive diseases in cattle can cause __________________, which means the adult cattle are not able to reproduce
Fill in the blank(s) with correct word
Carbohydrate digestion begins in the ________ and concludes in the ________.
A. small intestine; small intestine B. stomach; large intestine C. mouth; small intestine D. mouth; large intestine
Chromosomes duplicate during
A) metaphase. B) telophase. C) prophase. D) interphase.
Rough endoplasmic reticulum (ER) is most abundant in what kind of cells?
a. cells specialized for protein secretion b. nerve cells c. cells that require minimal membrane synthesis d. cardiac muscle cells e. slowly growing cells