#Question id: 447
#XL - S Microbiology
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
#XL - S Microbiology
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:
#Question id: 449
#XL - S Microbiology
The standard free-energy changes for the reactions below are given. Phosphocreatine -> creatine + Pi DG'° = –43.0 kJ/mol ATP -> ADP + Pi DG'° = –30.5 kJ/mol What is the overall DG'° for the following reaction? Phosphocreatine + ADP -> creatine + ATP
#Question id: 450
#XL - S Microbiology
The DG'° values for the two reactions shown below are given.
Oxaloacetate + acetyl-CoA + H2O -> citrate + CoASH DG'° = –32.2 kJ/mol
Oxaloacetate + acetate -> citrate DG'° = –1.9 kJ/mol
What is the DG'° for the hydrolysis of acetyl-CoA?
Acetyl-CoA + H2O -> acetate + CoASH + H+
#Question id: 459
#XL - S Microbiology
Calculate △G°ʹ for the reaction shown if the mass action ratio, Q, is 5.3 × 102 M-1 and △G is 46 kJ/mol at a temperature of 298 K. (R = 8.315 J/K-mol)
ADP + Pi ⇌ ATP
#Question id: 462
#XL - S Microbiology
The formation of acetyl CoA is driven to completion by