What is the function of fibrogenase, which causes temporary coagulation of semen in reproduction?

a. It is thought to increase the mobility of the sperm.
b. It is thought to prevent spillage of semen from the vagina.
c. It is thought to block female antibodies from killing the sperm.
d. From an evolutionary perspective, it is thought to kill off the sperm of competing males.


ANS: B

Interdisciplinary Studies

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A congressional committee claimed that Kinsey's work "undermined the moral fiber of the nation," contributed to the rise of juvenile delinquency, and left the country vulnerable to a Communist takeover

Subsequently, Kinsey lost a major source of funding for his research a year later. This scenario best reflects the fact that the government ____. a. is committed to keeping personal judgements about sexuality separate from public policy b. has a powerful influence over sex research c. only supports science-based sex research d. had a personal vendetta against Kinsey unrelated to his research initiatives

Interdisciplinary Studies

According to research, single people who

A. move from meeting to sexual intimacy quickly are more likely to be in romantic relationships. B. enter relationships for sexual satisfaction are more likely to have high-quality relationships. C. invest little in their relationships reduce the likelihood of intimacy or romance in their relationships. D. have had more prior partners are less likely to be in nonromantic relationships.

Interdisciplinary Studies

Which of the following does research indicate to be true of adolescent intercourse across cultures?

A. The percentage of girls who report intercourse is lower in Latin American countries than in African nations. B. America has the lowest number of adolescents reporting intercourse among the developed nations of the world. C. America has a lower number of adolescents reporting intercourse than in Latin American countries. D. The percentage of adolescents who report intercourse is the same across all countries of the world.

Interdisciplinary Studies

Benjamin wants to be sterilized. The male sterilization process his health care provider will perform is called

a) suction curettage. b) tubal ligation. c) hysterectomy.

Interdisciplinary Studies