Explanation:
The cell membrane, therefore, has two functions: first, to be a barrier keeping the constituents of the cell in and unwanted substances out and, second, to be a gate allowing transport into the cell of essential nutrients and movement from the cell of waste products.
Are there any answer choices to choose from?
Homozygous! the prefix homo- means the same, while hetero- means different.
Plants have both a cell wall and a cell membrane.
