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Home ‣ Biotechnology ‣ Cell Cycle Comments
  • Question

  • DNA replication is controlled at which of the following checkpoint?


  • Options
  • A. G1
  • B. G2
  • C. M
  • D. S

  • Correct Answer
  • G1 

    • Cell Cycle problems

    Search Results

    • 1. In the cell cycle replication of the genome occurs in the

    • Options
    • A. G1 phase
    • B. G2 phase
    • C. M phase
    • D. S phase
      • Discuss
    • 2. Cdks bind with __________ , enabling the Cdks to function as enzymes.

    • Options
    • A. MPF
    • B. cyclins
    • C. histones
    • D. p53
      • Discuss
    • 3. The event(s) which does not occur during interphase, is/are

    • Options
    • A. Chromatin condenses
    • B. Protein Synthesis
    • C. Organelles replication
    • D. DNA replication
      • Discuss
    • 4. At the center of the cell cycle control system is Cdk, a protein that

    • Options
    • A. is phosphorylated to become active
    • B. binds to different cyclins
    • C. is only active during mitosis
    • D. manufactures growth factors
      • Discuss
    • 5. Each chromosome contains two chromatids by the end of the __________ phase in the life cycle of a human cell.

    • Options
    • A. C
    • B. G2
    • C. M
    • D. S
      • Discuss
    • 6. The phase of mitosis which is associated with the formation of the nuclear envelope, is

    • Options
    • A. prophase
    • B. metaphase
    • C. anaphase
    • D. telophase
      • Discuss
    • 7. 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
      • Discuss
    • 8. A nuclear envelope forms around each set of sister chromatids in

    • Options
    • A. anaphase
    • B. metaphase
    • C. prophase
    • D. telophase
      • Discuss
    • 9. Which of the following is/are commonly used promoter of S. cerevisiae?

    • Options
    • A. Galactokinase (GAL 1)
    • B. Alcohol dehydrogenase II (ADH 2)
    • C. Phosphoglycerate kinase (PGK)
    • D. All of the above
      • Discuss
    • 10. Polyhedrin protein is

    • Options
    • A. non essential for baculo virus replication
    • B. major component of protein matrix in which viruses are embedded
    • C. both (a) and (b)
    • D. essential for baculo virus replication
      • Discuss

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