The protective layer outside of the plasma membrane of the plant cell is called
A)cellulose.
B)proteoglycans.
C)the cell wall.
D)chitin.
E)pectin.

Question

Quizplus · Accepted Answer

The protective layer outside of the plasma membrane of the plant cell is called the cell wall. Cellulose is a major component of the cell wall, but it is not the name of the whole layer. Proteoglycans and chitin are not present in plant cells, and pectin contributes to the middle lamella which is part of the cell wall but not the outermost layer.

The Protective Layer Outside of the Plasma Membrane of the Plant