I am pretty sure the answer is A but i'm not sure
Answer:
A creates the fluid in semen
The main function of the cell membrane is that regulates and monitors the movement of specific substances into and out of the cell, permitting only some substances to move across and not allowing others.
Amino acids form ionic bonds called 'hydrogen bonds' with hydrogens attachjed to other amino acids. This happens to hold your DNA double helix together :)
