Answer:
C. Makes energy in cells
Explanation:
Nitrogen has the role of making energy in cells of the human body.
The control group outs the one that you don't change. The reason you don't change it is because you use it as a comparison with the other groups.
Answer:
Like all other cellular membranes, the plasma membrane consists of both lipids and proteins. The fundamental structure of the membrane is the phospholipid bilayer, which forms a stable barrier between two aqueous compartments.
Request: Please mark me as the Brainliest.
Answer:
it's not clear
and not seeing the system clearly
