In Physiology, We Often Talk About Metabolic Pathways Such as Glycolysis

Multiple Choice

In physiology, we often talk about metabolic pathways such as glycolysis, gluconeogenesis or cholesterol synthesis. What is the best description of metabolic pathway?

A) any reaction that has two or more reactants
B) an enzymatic reaction involving binding of substrates to the active site of the enzyme
C) a chain of reactions in the cell where activation energy increases from step to step
D) a sequence of reactions that use products from the previous step as substrates for the next