What is the process of glycolysis?

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jerichorayel | College Teacher | (Level 2) Senior Educator

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Glycolysis is the biochemical pathway that converts glucose into pyruvate. The energy released in this reaction is used in order to form the high-energy molecules called the ATP (Adenosine triphosphate) and NADH (Nicotinamide adenine dinucleotide). 

The summary of the chemical equation for the process of glycolysis can be written as:

Glucose + 2 [NAD]- + 2ADP + 2P- ---> 2 Pyruvate + 2NADH +

                                                      2ATP + 2H+ + 2H2O

 

The process can be simplified into three steps.

1. Activation of glucose - 2 ATP molecules will be used to form the biphosphate molecule

2. Splitting of glucose - the 6-carbon molecule will split into two 3-carbon molecule with one phosphate groups attached to it.

3. Energy generation -2 NAD- are reduced to NADH while 2 more P’s are attached to each 3-carbon molecule. By the action of enzymes, ADP will be transformed into ATP. The source of P's comes from the two P's attached to each 3-carbon molecule. 2NADH and 4ATP are formed. Since the reaction initially used 2 ATP, the net ATP produced are 2 ATPs.

**this is only a brief summary of glycolysis.

 

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