Help with Mitosis

Practice Questions

GRE Subject Test: Biochemistry, Cell, and Molecular Biology › Help with Mitosis

Questions
7
1

Which phase of mitosis is characterized by the alignment of sister chromatids at the center of the cell?

2

Blocking which of the following processes is likely to directly interfere with cyclins' role to regulate the cell cycle?

3

A certain line of cells has a mutated, non-functioning copy of the enzyme DNA ligase. What portion of the DNA would be affected by this mutated enzyme?

4

What proteins do cyclins regulate and how do these proteins carry out their catalytic activities during cell cycle progression?

5

During mitosis, what proteins are involved in the formation of the contractile ring?

6

The contractile ring constricts the cell membrane to form a cleavage furrow during cytokinesis. What is the contractile ring composed of?

7

During what stage of cellular mitosis do the microtubules attach to the centromeres to eventually align the chromosomes?

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