During protein synthesis, amino acid gets attached to tRNA with the help of?

mRNA

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Aminoacyl synthetase

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Ribosome

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rRNA

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Solution

The correct option is B Aminoacyl synthetase
During protein synthesis, amino acid gets attached to tRNA with the help of aminoacyl-tRNA synthetase. For each amino acid, there is a specific synthetase enzyme which recognizes a specific amino acid and its tRNA. With the help of ATP, this enzyme joins a particular amino acid to the respective tRNA.
Thus, the correct answer is 'Aminoacyl synthetase.'

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