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.
A hypothetical example of the bottleneck effect.
The greenhouse effect: heat trapping by earth's atmosphere.
Supermassive Black Holes as Engines for Galactic Activity
Measuring Brain Activity
The Greenhouse Effect
Social Media Dependency Activity