How many pairs of chromosomes do humans have?

A) 12
B) 13
C) 20
D) 23


D

Nutritional Science

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Which of the following hormones acts as a thermostat to keep body fatness from changing?

a. insulin b. gherkin c. leptin d. pepsin

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All of the following are true regarding cancer EXCEPT:

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Death occurs when blood alcohol levels reach ____

a. 0.10 b. 0.15 c. 0.20 d. 0.30 e. 0.50

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A colostomy involves the removal of:

a. the colon. b. the colon and rectum. c. the jejunum and rectum. d. the rectum.

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