A human cell normally contains __________ chromosomes, arranged in __________ pairs.

A. 23; 23
B. 46; 23
C. 70; 35
D. 92; 46


Answer: B

Psychology

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People who, by their nature, strongly prefer familiarity and are fearful of new things have

a. withdrawal syndrome. b. introvert tendencies. c. extroversion. d. behavioral inhibition.

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The defining element of "the climacteric" involves the loss of

a. the natural ability to produce children b. cancer-fighting agents. c. emotional stability. d. blood flow through the circulatory system.

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According to research, approximately ____ percent of people in North America and Europe are likely to deal with a depressive disorder at some point in their lives.

A. 5 B. 11 C. 17 D. 21

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The __________ system is to boys as the _________ system is to girls

a. Wolffian; Müllerian b. Stausberg; Flynn c. Müllerian; Wolffian d. Flynn; Stausberg

Psychology