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RNA

An amino acid...

Question

An amino acid is coded by .............. nucleotides.

A

1

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B

3

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C

6

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D

9

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E

12

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Solution

The correct option is B 3
The nucleotide sequence of DNA serves as the template for RNA synthesis during transcription. The triplet sequence on the mRNA serves as the template for amino acid sequence in proteins. The set of the three nucleotides is termed as a codon which codes for an amino acid. There are 64 codons to code for the 20 amino acids.
Thus, the correct answer is option '3'.

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