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What is the start codon and which amino acid does it code for?

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Question

What is the start codon and which amino acid does it code for?

Options

  • UAA codes for methionine

  • AUG codes for methionine

  • AUG codes for leucine

  • GUG codes for valine

MCQ
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Solution

AUG is the start codon that initiates protein synthesis. It codes for the amino acid methionine, which is typically the first amino acid in newly synthesized proteins. This codon signals the ribosome to begin translation at this position.

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