Answer:
Im pretty sure its known as emigration but lmk if im wrong
Explanation:
Melanin is the reason why people are different colors.
Cytosine. This is because Guanine ALWAYS bonds with Cytosine in DNA
I don't know can slow then bite down but I do know that having too much to drink on Alcohol slows down your reaction because when the acetylcholine gets released into the synapse the alcohol has already blocked the little claw things (forgot what there called), so it slows down the reaction.