Question

characteristics of cells
read the statements about cells and circle the statements that are true.
a. all living organisms are composed of more than one cell.
b. all cells have a cell wall.
c. all cells have a cell membrane.
d. all cells have a nucleus.
e. all cells in an organism are identical.

Explanation:

• A is false as there are single - celled organisms.
• B is false as animal cells lack a cell wall.
• C is true as the cell membrane is a fundamental feature of all cells, controlling the movement of substances in and out.
• D is false as prokaryotic cells do not have a nucleus.
• E is false as cells in an organism differentiate to perform different functions.

Answer:

C. All cells have a cell membrane.