Biology 9700 · AS & A Level · Proteins

Proteins — practice question

A section of DNA taken from a person who has a genetic disease is: TAGTAACCACAAAGG. The matching DNA sequence from a person who does not have this genetic disease is: TAGTAAAACCACAAAGG. Some possible mRNA codons for certain amino acids are listed in the table. Which amino acid is absent in a person with this genetic disease?

  • A1
  • B2
  • C3
  • D4

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