Anticipation of sexual activity has the effect of
A) reducing sexual motivation.
B) reducing beard growth.
C) raising plasma prolactin levels in human males.
D) raising plasma testosterone levels in human males.
E) reducing plasma testosterone levels in human males.
Question 2
Which of the following is true as to the biological basis of homosexuality?
A) There are size differences in several brain regions that correlate with sexual orientation.
B) The concordance rate for sexual orientation is low in male and in female identical twins.
C) Maternal stress during pregnancy decreases androgen production in male rats, causing decreased male and increased female sexual behaviors.
D) Testosterone has diminished activational effects in homosexual men compared to heterosexual men.
E) There is no solid data linking brain structure differences with sexual orientation.
The mechanism of maternal effect in snail coiling.
Effect of predator on prey populations.
Effect of changing a set point for hypothalamic values
Doppler effect
The enhanced greenhouse effect
Sensation Activity: Sight (2 of 2)