TLS Online TPP Program

#Question id: 405


When a mixture of glucose 6-phosphate and fructose 6-phosphate is incubated with the enzyme phosphohexose isomerase (which catalyzes the interconversion of these two compounds) until equilibrium is reached, the final mixture contains twice as much glucose 6-phosphate as fructose 6-phosphate.  Which one of the following statements is best applied to this reaction outlined below? (R = 8.315 J/mol·K; T = 298 K) Glucose 6-phosphate -> fructose 6-phosphate

#SCPH01 Biochemistry
  1. DG'° is incalculably large and negative.

  2. DG'° is –1.72 kJ/mol.

  3. DG'° is  zero.

  4. DG'° is +1.72 kJ/mol.