C lol trying to get points
Wouldn't the population then become a mix of both turning into purple.
Please provide more details to your questions!
A,B,C and D
A. increase in the number of available neurotransmitters
B. decrease in the number of available neurotransmitters
C. increase in the number of receptors and receptor sites
D. the ability of the synapse to change in strength and function when the pathway is overused or underused