The only endocrine gland whose secretory function

is under direct control by sympathetic neurons is the
a. pancreas.
b. thyroid.
c. adrenal medulla.
d. thymus.
e. testis.


Answer: c

Biology & Microbiology

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Intermediate filaments

A) can be composed of the protein vimentin. B) are solely responsible for animal cell shape. C) are composed of ?-and ?-tubulin. D) are 70 nm in diameter. E) both choices A and D

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Which one of the following types of cancer is preventable by a vaccine?

A) lung cancer B) cervical cancer C) breast cancer D) colon cancer E) skin cancer

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Following are the structures of three fatty acids: palmitic acid, stearic acid, and oleic acid. What combination of these fatty acids could you use to make a fat that is liquid at room temperature?


A) one palmitic acid, one stearic acid, and one oleic acid
B) three palmitic acids
C) two palmitic acids and one stearic acid
D) one stearic acid, one oleic acid, and one phosphate group

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Flatworm trematodes that cause ________ (or “snail fever”) rely on transmitting eggs from infected individuals in BOTH feces and urine

a. leishmaniasis b. onchocerciasis c. schistosomiasis d. trichinellosis

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