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CAPE Biology Unit 1 · 2003 · Paper 2 · Question 7(b)

In Werner' syndrome, individuals age prematurely and often die of age related conditions before the age of 50. These individuals have a mutation in the gene that codes for protein enzymes that are responsible for DNA replication.

Suggest why this mutation has such severe effects on the individual.

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Other parts of this question

  1. 7(a)Describe the roles of DNA, mRNA, rRNA and tRNA in the processes of transcription and translation.[10 marks]
  2. 7(c)Discuss the effect this compound would have on DNA and its replication and predict how RNA and its formation might be affected by this agent.[6 marks]

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