Answer:
A. The hydrophilic head groups of the lipid molecules are exposed to the outside of the cell and the cytoplasm, which is a water-like environment. The hydrophobic tails form an oily layer inside the membrane that keeps water out of the cell
D is the best answer because c and b have nothing to do with mating and being in the same family doesn't matter
Hypertonic because isotonic is a normal solution and hypotonic means it goes into the cell
Nah snap d-mb lol thanks for the points tho