Which description about microtubule and MTOC is false?
A.
MTOC is the specialized organizing center for microtubule growing
B.
The best studied MTOC is the centrosome in plant cells.
C.
The γ-tubulin ring of MTOC serves as the starting point or nucleation site for the growth of one microtubule.
D.
The plus end of each microtubule face outward where further growth can occur.