Which of the following statements about cellulose is FALSE?

A)Cellulose synthase enzyme complexes are integral membrane proteins.
B)An array of microtubules guides the cellulose synthase complex as it moves in the membrane.
C)The sugar monomers necessary for the synthesis of a cellulose polymer are transported across the plasma membrane.
D)Microtubules are directly attached to the outside surface of the plasma membrane to form tracks that help orient the cellulose polymers.