A codon consists of ....... | vedclass

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(C) codon is a sequence of three nucleotides in $DNA$ or $mRNA$ that specifies a particular amino acid or a stop signal during protein synthesis.Since

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Three nucleotides

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(C) codon is a sequence of three nucleotides in $DNA$ or $mRNA$ that specifies a particular amino acid or a stop signal during protein synthesis.Since there are $4$ types of nitrogenous bases $(A, U, G, C)$,a triplet code ($4^3 = 64$ codons) is required to code for the $20$ amino acids found in living organisms.Therefore,a codon is composed of three nucleotides.

$A$ codon consists of .......

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