cell-cycle biotechnology question and answers -Page 4

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Cell Cycle problems

1. Cdks bind with __________ , enabling the Cdks to function as enzymes.
Options
A. MPF
B. cyclins
C. histones
D. p⁵³

Correct Answer: cyclins

2. In the cell cycle replication of the genome occurs in the
Options
A. G₁ phase
B. G₂ phase
C. M phase
D. S phase

Correct Answer: S phase

3. DNA replication is controlled at which of the following checkpoint?
Options
A. G₁
B. G₂
C. M
D. S

Correct Answer: G₁

4. The phase of mitosis which is associated with the formation of the nuclear envelope, is
Options
A. prophase
B. metaphase
C. anaphase
D. telophase

Correct Answer: telophase

5. A centromere is
Options
A. another name for kinetochore
B. the structure to which microtubules attach
C. a constriction on a chromosome bound to a disk
D. all of the above

Correct Answer: all of the above

6. A nuclear envelope forms around each set of sister chromatids in
Options
A. anaphase
B. metaphase
C. prophase
D. telophase

Correct Answer: telophase

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