Question

what amino acid is used as the start codon during translation?
threonine
cytosine
methionine

Explanation:

In translation (protein synthesis), the start codon (AUG) codes for methionine. Threonine and tyrosine are not associated with the start codon.

Answer:

The option with "methionine" (the third option, assuming the options are presented as: 1. Threonine, 2. Tyrosine, 3. methionine)