surrounding and protecting the contents of the cell. releasing waste products from the cell. producing energy for cell processes. allowing gases to enter the cell.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: All of the following are functions of a cell membrane except
Possibilities:
- surrounding and protecting the contents of the cell.
- releasing waste products from the cell.
- producing energy for cell processes.
- allowing gases to enter the cell.

producing energy for cell processes.