"Glycolysis is the metabolic pathway that converts glucose into pyruvate. The free energy released in this process is used to form the high-energy compounds ATP (adenosine triphosphate) and NADH (reduced nicotinamide adenine dinucleotide)." [Glycolysis. Wikipedia]
This biochemical diagram was redesigned from Wikimedia file: Glycolysis overview.svg. [commons.wikimedia.org/wiki/File:Glycolysis_overview.svg]
The glucose metabolism diagram example "Glycolysis overview" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Biology solution from the Science and Education area of ConceptDraw Solution Park.