Four students write a description of the cell membrane.

Student 1: The cell membrane controls reproduction and is found only in plant cells, Student 2: The cell membrane controls what enters and exits the cell and is found in

all kinds of cells.

Student 3: The cell membrane produces proteins and is found only in animal cells. Student 4: The cell membrane produces carbohydrates and is found only in

prokaryotic cells.

Which student's description is correct?

A. Student 1

B. Student 2

C. Student 3

D. Student 4