How many amino acids will be coded by the mRNA sequences –5' AUGCCCUCAUGAUCAAUG 3' if 14th nucleotide is replaced by adenylic acid residue?

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Two

Three

Four

One

answer is B.

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Detailed Solution

It codes for three amino acids (Methionine, Proline and Serine) because the fourth codon is UGA - a non-sense codon.

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