Name:_________________ Dr. Palmer’s (Reichler) Bio
311C MWF 1-2pm Fall 2006
Quiz pre-exam 3
1) How many helicases would be unwinding DNA if there are 4 origins of
replication?
2) Why are more ligases needed on a lagging strand than are needed on a
leading strand?
3) When would you expect primase to be ubiquitinated?
4) Does it matter how the sister chromatids line up during mitosis?
5) Does the cell expend energy during mitosis?