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6. What does chemotherapy do to the cell cycle of cancerous cells?

  • Stop replication of DNA and inhibit spindle formation to stop metaphase.
  • Stop metaphase
  • Stop replication of DNA
  • Prevent G1 from occurring

7. Name of non-coding sections of DNA

  • Stop codon
  • Introns
  • Exons

8. What's the stage in which chromosomes thicken and become visible?

  • Prophase
  • Interphase
  • Metaphase
  • Telophase

9. Enzyme responsible for breaking hydrogen bonds separating the 2 strands

  • Ligase
  • DNA helicase
  • RNA helicase
  • RNA polymerase

10. Which blood vessel goes to the liver?

  • Aorta
  • Hepatic portal vein
  • Hepatic Artery
  • Renal artery

11. Purpose of centromere

  • Attach to spindle fibres
  • To keep chromatids together
  • For spindle fibres to attach to and separate sister chromatids
  • To separate sister chromatids

12. Meiosis forms 2 daughter cells?

  • False
  • True

13. 3 uses of mitosis

  • Growth, Differentiation and cytokinesis
  • Repair, Growth and reproduction
  • Growth, Differentiation and Repair
  • Repair, differentiation and DNA replication