What is the minimum number of aminoacyl-tRNA synthetase enzymes needed to attach amino acids to all the various tRNA molecules?

Question

Quizplus · Accepted Answer

There are 20 different amino acids that can be used to build proteins, and each one requires a specific aminoacyl-tRNA synthetase enzyme to attach it to its corresponding tRNA molecule. While there are different tRNA molecules in a cell, some of them can accept the same amino acid, meaning that the same aminoacyl-tRNA synthetase enzyme can attach the same amino acid to multiple tRNA molecules. Therefore, all 20 aminoacyl-tRNA synthetase enzymes are needed to attach amino acids to all the various tRNA molecules.

What Is the Minimum Number of Aminoacyl-TRNA Synthetase Enzymes Needed