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A-Level Biology OCR A

Change Protein Affect Codon(s Structure Explain Sequence Nucleotides

Front Explain why a change in sequence of nucleotides of a gene can affect the function of the protein produced from that gene.
Back How mutations affect proteins:
  • Change in nucleotide causes a change in the codon(s)
  • If new codon(s) codes for a different aa - change in primary structure of the protein
  • Position and involvement of the amino acid in R group interactions within the protein will change - the final folding and structure will be different

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