During mitosis, long unbranched hollow cylinders made of tubulin protein assemble to form the mitotic spindle. These structures are:
Q1. During mitosis, long unbranched hollow cylinders made of tubulin protein assemble to form the mitotic spindle. These structures are:
Answer: Microtubules
Explanation: Microtubules are composed of tubulin and form the spindle; microfilaments are tempting but are made of actin for movement.