A-LevelBiologyThe mitotic cell cycleFeb/Mar 2017Paper 1 Q221 Mark
The enzyme telomerase repairs telomeres. It stops the telomeres from getting shorter each time a chromosome is replicated. Telomerase is not normally active in human body cells, but in some diseases telomerase can be activated. In which disease is the enzyme telomerase activated?
Acancer
BHIV/AIDS
Cmalaria
Dmyasthenia gravis
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The correct answer is A. This question tests the candidate's understanding of the mitotic cell cycle within the Biologysyllabus. The examiner's mark scheme requires...
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