Question

Carbohydrates act as "ID cards"

for cells. Where are they located?

A.the exterior of cell walls

B.inside of the nucleus

C.attached to the rough ER

D.embedded in the cell membrane

Answer 1

A. The exterior of cell walls

Carbohydrates in the cell wall function not only to maintain cell shape and integrity, but also may serve as signals in plants.

Answer 2

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A. The Exterior of Cell Walls