What happens to acetylcholine after it attaches to a receptor on ...

[bb]

What happens to acetylcholine after it attaches to a receptor on the postsynaptic cell?
 
  a. It is broken down into two components.
 b. It is reabsorbed intact by the presynaptic cell.
 c. It is metabolized by the postsynaptic cell as a source of energy.
 d. It continues to stimulate the postsynaptic neuron until replaced by another neurotransmitter.

Question 2

The estradiol normally found in the bloodstream of a female rat fetus neither masculinizes nor feminizes its development because it ____.
 
  a. is chemically converted to testosterone
 b. is prevented from entering the developing cells
 c. is chemically unstable at the body temperature of a fetus
  d. would have no effect on cells even if it did enter them

[adf223]

Answer to Question 1

a

Answer to Question 2

b

[bb]

Wow, this really help

[mohan]

Thanks for the timely response, appreciate it