Biology 9700 · AS & A Level · Proteins

Proteins — practice question

During protein synthesis, DNA triplets in genes are read as amino acids or stop signals. The table lists some of these triplets. What could be the effects of one substitution mutation in a triplet that codes for tyrosine?

  • A1, 2 and 3
  • B1, 2 and 4
  • C1, 3 and 4
  • D2, 3 and 4

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