Biology 9700 · AS & A Level · Proteins

Proteins — practice question

The RNA triplet UAG functions as a stop codon, bringing polypeptide synthesis to an end. The diagram shows a DNA strand that codes for four amino acids. At which position would insertion of a thymine nucleotide cause translation to stop?

    Worked solution & mark scheme

    This 1-mark question has a full step-by-step worked solution and mark scheme.

    • Full mark scheme, point by point
    • Step-by-step worked solution
    • Write your answer & get it marked instantly by AI