How many different types of tRNA must an organism have?
A) 1
B) 4
C) minimum 15
D) minimum 20

Name: How many different types of tRNA must an organism have? A) 1 B) 4 C) minimum 15 D) minimum 20
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Question

Quizplus · Accepted Answer

There are 20 different amino acids used in the polypeptide synthesis, so at least 20 different types of tRNA are needed for each amino acid. However, some amino acids are recognized by multiple tRNA molecules due to wobble base pairing, so the minimum number of tRNA types is 20.

How Many Different Types of TRNA Must an Organism Have