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The following reaction is part of glycogen degradation and occurs inside a cell.

ID: 223100 • Letter: T

Question

The following reaction is part of glycogen degradation and occurs inside a cell.

glucose-1-phosphate ? glucose-6-phosphate

The phosphoryl group transfer potential for glucose-1-phosphate is -20.9 kJ/mol and for glucose-6-phosphate is -13.8 kJ/mol. What is the Keq (K) at 298 K? Is the conversion of glucose-1-phosphate to glucose-6-phosphate favorable or unfavorable under standard conditions?

K = 0.057 and the reaction is unfavorable. K = 0.057 and the reaction is favorable. K = 17.5 and the reaction is favorable. K = 17.5 and the reaction is unfavorable.

Explanation / Answer

For the given biological transformation,

The value of equilibrium constant for the reaction would be,

- K = 17.5 and the reaction is favourable

The reaction has a value and thus the reaction is spontaneous or favourable as written.