Question

what is the function of cellulose in plants

Answer 1

Cellulose helps make a plant strong and stiff, so it doesn't bend and break. It is in a plants cell walls.

Answer 2

cellulose in plants provides structural support.
If you ever get the chance to view cells you’ll be able to notice that plants cells have a square shape where as animal cells have a round shape. Cellulose allows for the cells to square!!