#Question id: 2966
#Unit 2. Cellular Organization
Scientists isolate cells in various phases of the cell cycle. They isolate a group of cells that have 1 1/2 times more DNA than G1 phase cells. What is the most likely part of the cell cycle from which these cells were isolated?
#Question id: 2967
#Unit 2. Cellular Organization
G1 is associated with which of the following cellular events?
#Question id: 2968
#Unit 2. Cellular Organization
What is the name of the microtubule-organizing center found in animal cells as an identifiable structure present during all phases of the cell cycle?
#Question id: 2969
#Unit 2. Cellular Organization
In the cells of many eukaryotic species, the nuclear envelope has to disappear to permit which of the following events in the cell cycle?
#Question id: 2970
#Unit 2. Cellular Organization
Describe how Cdc14 triggers the exit from mitosis in the budding yeast, S. cerevisiae.
#Question id: 2971
#Unit 2. Cellular Organization
Which one of the following is the most appropriate match?
Events |
Protein |
Phases |
A. Cohesins are loaded onto chromosomes |
I. Mei-S332/Shugoshin |
a. G1 |
B. Cohesins can dissociate from the DNA |
II. Polo kinase and Aurora B kinase |
b. G2 |
C. Prevents cohesin phosphorylation, and hence dissociation |
III. Scc2-Scc4 |
c. S |
D. Phosphorylation of cohesins |
IV. Pds5-Wapl |
d. M |