Which of the following statements is true of aminoacyl-tRNA synthetase?
A) There is a single aminoacyl-tRNA synthetase for all the amino acids.
B) There are four different aminoacyl-tRNA synthetases, one for each different type of amino acid side chain
C) There are different aminoacyl-tRNA synthetase for each amino acid.
D) None of these are correct.

Question

Quizplus · Accepted Answer

There are different aminoacyl-tRNA synthetases for each amino acid. Each synthetase is specific to a particular amino acid and charges the corresponding tRNA with that amino acid. This ensures that the correct amino acid is incorporated into the growing polypeptide chain during translation.

Which of the Following Statements Is True of Aminoacyl-TRNA Synthetase