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

Replication and division of nuclei and cells — practice question

Telomerase is an enzyme that maintains telomeres. It prevents telomeres from becoming shorter each time a chromosome is replicated. In human body cells, telomerase is usually inactive, although it can be switched on in some diseases. In which disease is the enzyme telomerase activated?

  • Acancer
  • BHIV/AIDS
  • Cmalaria
  • Dmyasthenia gravis

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