The Standard Free Energy Change for the Following Reaction Is

question 54

Multiple Choice

The standard free energy change for the following reaction is about zero. amino acid + ATP + tRNA → aminoacyl-tRNA + AMP + PP_i??The driving force for this reaction in the cell is

• A) the relatively low concentrations of the reactants
• B) the subsequent reaction of peptide bond formation, which is energetically favorable
• C) the subsequent hydrolysis of pyrophosphate, which releases energy
• D) the increased resonance stability of the acyl group on aminoacyl-tRNA

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