Spermatogenesis is the process by which each undifferentiated spermatogonia becomes ____ spermatid(s)
a. one c. three
b. two d. four
ANS: D
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Jeff is self-conscious about the way he looks because he has always felt "scrawny." He decides to take anabolic androgenic steroids to enhance his looks. What is a potential danger in taking anabolic steroids?
a. liver cancer c. hallucinations b. brain damage d. lung cancer
In _______ marriages, both partners are expected to contribute affection and emotion, social support, and financial resources to the relationship.
a) arranged b) free-choice c) peer d) traditional
Research has shown that ________ can help people understand how and why they express their attractions and pleasure in their sexual experience.
A. explicit sexual imagery B. a asexual journal C. a fantasy system D. sexual promiscuity E. sexual dysfunction
Penis growth, experienced by the average boy during puberty, is most likely to occur at about the same time as the
A. menarche. B. cessation of mensuration. C. change in his voice. D. significant enlargement of the pelvic bone structure.