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6 marksStructure and Roles of Nucleic Acids

CAPE Biology Unit 1 · 2006 · Paper 2 · Question 6(a)(i)

Explain how the sequence of nucleotides in the DNA molecule is related to the sequence of nucleotides in the RNA molecule.

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  1. 6(a)(ii)Explain how the sequence of nucleotides in the DNA molecule is related to the order in which the t-RNA molecules align specific amino acids.[5 marks]
  2. 6(b)(i)How is the precise and accurate folding of globular proteins influenced by the organism's DNA?[5 marks]
  3. 6(b)(ii)How is the erroneous formation of haemoglobins in sickle-cell anaemia influenced by the organism's DNA?[4 marks]

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