Which statement about the cell membrane is true? a. it contains cellulose and sugars that are involved in communication. b. it is present in animal cells only. c. it is rigid and elastic for supporting the cell’s shape. d. it prevents harmful substances from entering a cell.

I can confirm that the answer is:

D. It prevents harmful substances from entering a cell on the Edgenuity Quiz. :)

is this a psat question, if so do not cheat try your best.

lysosome is this part of the cell is surrounded by a very thick outer membrane to protect the rest of the cell from its strong enzymes.