10 marksStructure and Roles of Nucleic Acids

CAPE Biology Unit 1 · 2007 · Paper 2 · Question 6(a)(i)

Describe the structure of the DNA molecule.

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6(a)(ii)Outline how the structure of RNA differs from that of DNA.[1 mark]
6(b)Discuss how changes in the nucleotide sequence of DNA can result in changes in the structure and functioning of erythrocytes in sickle cell anaemia.[10 marks]

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