Question

There are 64 coders in genetic code dictionary because

• A. There are 64 amino acids to be coded
• B. There are 44 Meaningless and 20 codons for amino acids
• C. There are 64 types of t-RNAs found in the cell
• D. Genetic code is triplet

Answer 1

The correct option is D Genetic code is triplet

Cysteine is a nonessential amino acid (protein building block), meaning that cysteine can be made in the human body. Cysteine is one of the few amino acids that contain sulfur. Cysteine is a component of the antioxidant glutathione. The body also uses cysteine to produce taurine, another amino acid. So, the correct option is "D" (Genetic code is triplet).