MCQ
64 Codons constitute genetic code because:
- AThere was 64 types of amino acid.
- B64 types of tRNA.
- CGenetic code is triplet.
- DThere are 64 enzymes.
Explanation:
The genetic code expresses in a way that 64 codons constitute it, as it occurs in triplets. According to the genetic code, three bases must be employed to encode the 20 standard amino acids used by living cells to build proteins.
With four different nucleotides, a code of 2 nucleotides would allow for only a maximum of 42 = 16 amino acids. A code of 3 nucleotides could code for a maximum of 43 = 64 amino acids.
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