Estradiol normally found in the bloodstream of a female rat fetus neither masculinizes nor feminizes its development because it is ____
a. chemically converted to testosterone
b. bound to alpha-fetoprotein
c. dissolved in the fat supplies of the fetus
d. not effective on cells even if it did enter them
b
You might also like to view...
For most children,
A) activity in the left hemisphere increases slowly throughout early and middle childhood. B) activity in the left hemisphere peaks between 1 and 3 years and decreases slowly. C) the left hemisphere is especially active between 3 and 6 years and then levels off. D) activity in the right hemisphere increases dramatically between ages 2 and 6.
In which situation is the reliability of an observation likely to be greatest?
a) The ratings require inference. b) A series of self-observations are used. c) The observation depends on experience. d) Explicit definitions of the observed behavior are used.