Biology 9700 · AS & A Level · Proteins

Proteins — practice question

The table lists some mRNA codons that specify certain amino acids. A DNA template strand has the base sequence below. ACAGTATTATTTGCAACG What change would occur in the amino acid if the first base of the fifth DNA triplet were replaced by an A base?

  • Aalanine to cysteine
  • Balanine to threonine
  • Carginine to cysteine
  • Darginine to threonine

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