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

Question

Quizplus · Accepted Answer

There are 20 different amino acids used in protein synthesis and each amino acid must be attached to its corresponding tRNA molecule by a specific type of aminoacyl-tRNA synthetase. Therefore, different aminoacyl-tRNA synthetases are required for each amino acid.

Which of the Following Is True