For the redox pair NAD/NADH, E is -0.320 V, and for the pair O2/H2O, E is 0.816 V.  The DE for this reaction is therefore 1.14 V, and the standard free-energy change △G’⁰ is

#Question id: 443

#Unit 1. Molecules and their Interaction Relevant to Biology

The free energy for ATP hydrolysis in vivo is actually greater than the standard free energy change of -30 kJ mol-1 because

#Question id: 444

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is not a factor contributing to the large free energy of hydrolysis of ATP?

#Question id: 445

#Unit 1. Molecules and their Interaction Relevant to Biology

In order for a reaction to proceed spontaneously from left to right as written

#Question id: 446

#Unit 1. Molecules and their Interaction Relevant to Biology

Which statement is false about ATP?

#Question id: 447

#Unit 1. Molecules and their Interaction Relevant to Biology

In glycolysis, fructose 1,6-bisphosphate is converted to two products with a standard free-energy change (DG'°) of 23.8 kJ/mol.  Under what conditions encountered in a normal cell will the free-energy change (DG) be negative, enabling the reaction to proceed spontaneously to the right?

#Question id: 448

#Unit 1. Molecules and their Interaction Relevant to Biology

During glycolysis, glucose 1-phosphate is converted to fructose 6-phosphate in two successive reactions: Glucose 1-phosphate -> glucose 6-phosphate DG'° = –7.1 kJ/mol Glucose 6-phosphate -> fructose 6-phosphate DG'° = +1.7 kJ/mol DG'° for the overall reaction is: