Question

the start codon of an mrna specifies which of the following?
alanine
uracil
glycine
methionine
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Explanation:

In mRNA translation, the start codon is AUG. AUG codes for the amino acid Methionine. Alanine has codons like GCU, GCC, GCA, GCG. Uracil is a nucleotide base in RNA, not an amino - acid. Glycine has codons such as GGU, GGC, GGA, GGG.

Answer:

Methionine