How many high energy phosphate bond equivalents are utilized in the process of activation of amino acids for protein synthesis ?

Options

A. one
B. two
C. zero
D. three

Answer

B

Explanation

ATP is required for the esterification of amino acids to their corresponding t-RNAs. Since ATP is hydrolyzed to AMP and Ppi during the reaction,the equivalent of two -high energy phosphate bonds is utilized.