Answer:
(B) They Bind to receptor proteins on the surface of the postsynaptic neuron.
I Hope this helps!
Answer:
The answer is true.
Explanation:
PKU is an inherited metabolic disease caused by a mutation of the gene for an enzyme responsible for metabolism of the amino acid phenylalanine.
I believe the answer is D.
The purpose of the large intestine is to absorb water and salts from the material that has not been digested as food, and get rid of any waste products left over.
Hope this helps! Sorry if incorrect