Questions

A. Characterize the vesicular movements carefully. For example, do they always occur in the same direction? Or do some reverse direction?

B. What cytoskeletal organelle likely guides the movement of these vesicles?

C. How could you test this hypothesis?

D. How fast are the vesicles moving towards the axon extremities? Towards the cell body?

E. What molecular motors might be responsible for the vesicular movements? Discuss briefly the basis
for your answer.

F. How could you test your hypothesis? To examine the results of one experiment designed to identify a molecular motor, turn the page.