Formation of a peptide bond in protein synthesis has

CHEMISTRY · Single correct · A Level · Chemistry · Thermodynamics · Thermodynamics

Problem

Formation of a peptide bond in protein synthesis has ΔG∘=+17 kJ mol−1\Delta G^{\circ}=+17\,\text{kJ}\,\text{mol}^{-1}. If the hydrolysis of one ATP molecule releases 30.5 kJ mol−130.5\,\text{kJ}\,\text{mol}^{-1} under standard conditions, what is the minimum whole number of ATP molecules that must be hydrolyzed per mole of peptide bonds formed to render the overall ΔG∘≤0\Delta G^{\circ}\le 0? (a) 22 (b) 00 (c) 11 (d) 33

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