Q. 17.48 - An Introduction to General, Organic, and Biological Chemistry

Question

Why are there at least $20$ different tRNAs?

Step-by-Step Solution

Answer

Each codon binds to a distinct anticodon on t RNA, there must be at least $20$ distinct t RNAs.

Step 1: Introduction

There are $20$ amino acids in all.

Step 2: Explanation

There are $20$ amino acids in all. Each amino acid is represented by a codon (or codons).. There must be at least $20$ different t RNAs, since each codon binds to a different anticodon on t RNA.