Question

Which statement about the cell membrane is true?

1-It contains cellulose and sugars that are involved in communication.

2-It is present in animal cells only.

3-It is rigid and elastic for supporting the cell’s shape.

4-It prevents harmful substances from entering a cell.

Answer 1

it prevents harmful substances from entering a cell

Step-by-step explanation:

did a quiz on it

Answer 2

number 4 cause a cell membrane is a semipremeable membrane so it protects the cell from harmful diseases ,but sometimes the disease may enter the cell