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Home Biotechnology Cell Cycle Comments

  • Question
  • Microtubules grow from the poles to kinetochores of each chromatid during


  • Options
  • A. prophase
  • B. metaphase
  • C. anaphase
  • D. telophase

  • Correct Answer
  • prophase 


  • Cell Cycle problems


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    • 1. Which of the following triggers the division of activated T lymphocytes?

    • Options
    • A. FGF
    • B. Interlukin 2
    • C. PDGF
    • D. Erythroprotein
    • Discuss
    • 2. The term, not related to mitosis is

    • Options
    • A. gametes
    • B. chromosomes
    • C. DNA replication
    • D. somatic cells
    • Discuss
    • 3. The term homologous chromosomes

    • Options
    • A. refers to replications of the same chromosome
    • B. is another name for sister chromatids
    • C. must be haploid
    • D. means a pair of chromosomes of the same kind, such as sex chromosomes
    • Discuss
    • 4. Which phase of mitosis is associated with separation of chromatids?

    • Options
    • A. Prophase
    • B. Metaphase
    • C. Anaphase
    • D. Telophase
    • Discuss
    • 5. Which of the following statements about mitosis is incorrect?

    • Options
    • A. The daughter nuclei are genetically identical to the parent nucleus
    • B. Chromosomes separate during anaphase due to the interaction of polar microtubules from opposite poles pushing against each other
    • C. Chromosomes separate during anaphase when the kinetochore microtubules shorten as they depolymerize
    • D. Chromosomes move to the metaphase plate using motor proteins, a kind of kinesin, attached to spindle fibers
    • Discuss
    • 6. At which of the following check point, mitosis is controlled?

    • Options
    • A. G1
    • B. G2
    • C. M
    • D. S
    • Discuss
    • 7. Which of the following is the normal cell cycle, primarily regulated at checkpoints?

    • Options
    • A. Metaphase in mitosis
    • B. Anaphase, G1 boundary
    • C. G1-S boundary
    • D. S-G2 boundary
    • Discuss
    • 8. Which of the following is the primary growth phase of a cell?

    • Options
    • A. G1
    • B. G2
    • C. M
    • D. G0
    • Discuss
    • 9. The G0 phase is

    • Options
    • A. a permanent state of all body cells
    • B. the state of most cells in an animal body
    • C. another name for interphase
    • D. all of the above
    • Discuss
    • 10. Which of the following from a blood clot stimulates the growth of cells in the healing process?

    • Options
    • A. EGF
    • B. PDGF
    • C. MPF
    • D. NGF
    • Discuss


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