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

Question

Quizplus · Accepted Answer

Cytochalasin B disrupts actin filaments, which are crucial for the formation of the cleavage furrow during cytokinesis in animal cells. This process is essential for the cell to divide into two daughter cells at the end of mitosis.

The Drug Cytochalasin B Blocks the Function of Actin