Answer:
The answer is A. The cell membrane provides rigid support and protection for the cell
Explanation:
The semipermeable structure that surrounds the cell helps the cell live in different environments
D bacteria are the main nitrogen transporters
I think the polymers are the hydrocarbons.
If this helped please mark me as brainliest.
5. to B. 3. to E. 2 to A. 1. to D. 4. i believe is C.