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What is the process of activation of amino acids in the presence of ATP and its linkage to their cognate tRNA known as?

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What is the process of activation of amino acids in the presence of ATP and its linkage to their cognate tRNA known as?

(a) Charging of tRNA

(b) Charging of ATP

(c) Aminoacetylation of tRNA

(d) Aminoacetylation of ATP

The question was asked in final exam.

This intriguing question comes from Molecular Basis of Inheritance topic in chapter Molecular Basis of Inheritance of Biology – Class 12

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Right choice is (a) Charging of tRNA

To explain: In order to form a peptide bond, a certain quantity of energy is required. The first phase in this process is known as charging of tRNA. It is also known as Aminoacylation of tRNA. In this process, the amino acids are activated in the presence of ATP and are linked to their cognate tRNA.

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