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Question

How many amino acids will be coded by the mRNA sequence - 5 CCCUCAUAGUCAUAC3 if a adenosine residue is inserted after 12th nucleotide?

A
Five amino acids
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B
Six amino acids
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C
Two amino acids
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D
Three amino acids
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Solution

The correct option is A Five amino acids
In the given mRNA sequence there are 15 nucleotide . One amino acid codes triplet three nucleotide. So, after addition of adenosine residue the total number of nucleotide is 16. So five amino acids will be coded by the mRNA sequence.

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