Each amino acid has a specific tRNA molecule that can transport it to the site of protein synthesis.Therefore,in humans the number of different tRNA molecules would be
A)3.
B)20.
C)40.
D)80.
E)thousands.

Question

Quizplus · Accepted Answer

There are 20 different amino acids used to build proteins, and each one requires its own specific tRNA molecule to transport it to the site of protein synthesis. Therefore, the number of different tRNA molecules in humans would be 20.

Each Amino Acid Has a Specific TRNA Molecule That Can