The drug cytochalasin B blocks the function of actin. Which of the following aspects of the cell cycle would be most disrupted by cytochalasin B?
A) spindle attachment to kinetochores
B) cleavage furrow formation and cytokinesis
C) cell elongation during anaphase
D) spindle formation
E) DNA synthesis

Question

Quizplus · Accepted Answer

Cytochalasin B affects actin, a protein involved in cytokinesis and the formation of the cleavage furrow. This suggests that it would disrupt the formation of the cleavage furrow and cytokinesis.

The Drug Cytochalasin B Blocks the Function of Actin