Review 3: Pyruvate & Fatty Acid Oxidation, Citric Acid Cycle, & Glycogen Metabolism - Part 2 of 4

Review 3: Pyruvate & Fatty Acid Oxidation, Citric Acid Cycle, & Glycogen Metabolism / Metabolic Regulation 2 / Problem 7

Problem 7

What is the significance of fructose 2,6-bisphosphate in glycolysis?

It activates PFK1 at low concentrations.

It inhibits PFK1 at low concentrations.

It has no effect on PFK1 activity.

It enhances gluconeogenesis.