Cytoskeleton Tutorial

Problem 5: Chromosome Movement

Which of the following experimental observations would suggest that chromosomes move by polymerization of tubulin subunits?

A.	Energy is expended in the process of chromosome movement.
B.	Chemicals that block tubulin subunit interactions also block chromosome movement.
C.	Chromosomes move by sliding past one another.
D.	Chromosomes are individually attached to microtubules.