Which of the following encodes the amino acid sequence of a polypeptide?

rRNA

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mRNA

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tRNA

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dsRNA

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Solution

The correct option is B mRNA
mRNA encodes the amino acid sequence of a polypeptide because it is sequenced from the DNA for particular protein synthesis. The mRNA molecule has the nucleotides in triplets sequencing the amino acids with the help of ribosomes.
So, the correct option is 'm-RNA'.

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