Question

Which is most directly responsible for the sequence of amino acids in a protein?

• A. Sequence of the anticodons
• B. Number of codons in mRNA
• C. Proteins associated with rRNA
• D. The sequence of codons in mRNA

Answer 1

The correct option is D The sequence of codons in mRNA

The sequence of amino acids in proteins are totally dependent upon the sequence of codons or the coding sequence of mRNA. This process of formation of proteins from mRNA is called a translation. The codons are the sequence of three bases present on the mRNA which codes for the specific proteins. The amino acids formed in the protein synthesis are according to the sequences of the mRNA. e.g., AUG codes for the amino acid methionine.

So, the correct option is 'The sequence of codons in mRNA'.