Biology 9700 · AS & A Level · Replication and division of nuclei and cells

Replication and division of nuclei and cells — practice question

Cancer cells can undergo many more divisions than most other cells in humans. Which statement about cancer cells is correct?

  • AThey are able to synthesise the enzyme telomerase.
  • BThey have a mutation in the telomeres so DNA is not hydrolysed.
  • CThey have DNA polymerase so can replicate their DNA without telomere loss.
  • DThey increase the number of copies of repeated DNA sequences in the telomeres.

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