D. regulates which materials enter and leave the cell
Answer:
Yes scientist will need to develop multiple treatments to control symptoms.
Explanation:
because if they only do one treatment it may not work for everyone because some people could be allergic to that one treatment that's why there are multiple treatments.
Traits controlled by genes can only be acted upon natural selection because they have to helpful to the survival of that organism.
Answer:
Changing the pH will affect the charges on the amino acid molecules. Amino acids that attracted each other
I would think of a unicellular organism or a plant, but I'm not too sure on this one, Just trying to help :)
