Genetics Question:

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The three stop codons UAG, UAA, UGA do not code for any proteins. then why does the start codon AUG code for a protein, i.e, methionine?

Genetics Interview Question
Genetics Interview Question

Answer:

AUG codon codes for an amino acid ;Methionine, because a tRNA is available with the anti-codon complementary to the AUG codon. This tRNA brings in the Methionine molecule when charged to the site of protein synthesis ie Ribosomes in the cytosol.

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