Castrating sexually mature female rats A) decreases their ...

[HCHenry]

Castrating sexually mature female rats
 
  A) decreases their receptivity over the ensuing months.
  B) decreases their proceptivity over the ensuing months.
  C) rapidly increases their proceptivity.
  D) rapidly eliminates their receptivity and proceptivity.
  E) rapidly increases their receptivity.

Question 2

In sexually mature female rats and guinea pigs, each estrous cycle is about
 
  A) 12 hours long.
  B) 4 days long.
  C) 2 weeks long.
  D) 4 weeks long.
  E) 8 weeks long.

[shoemake]

Answer to Question 1

Answer: D

Answer to Question 2

Answer: B

[HCHenry]

TYSM

[mjenn52]

Excellent