Glycolysis Reactions Flow Charts

Cellular Respiration Diagram

Glycolysis / Gluconeogenesis

Glycolysis and Gluconeogenesis Reaction Pathways

Last Update: November 2, 2024

The charts below show the Cellular Respiration reaction pathway with a focus on Glycolysis (the break down of Glucose) and Gluconeogenesis

Gluconeogenesis is the formation of glucose from non-carbohydrate sources like lactate, glycerol, and glucogenic amino acids (but not from Fatty Acids.)

Gluconeogenesis is, essentially, 

  • the reverse of_Glycolysis and
  • is able to bypass the three irreversible steps of_Glycolysis with the help of unique enzymes. 
  • These unique paths are highlighted in blue font in the flowcharts below. 
Picture_Glycolysis and Gluconeogenesis Pathways
Glycolysis and Gluconeogenesis Metabolic Pathways Detailed Chart
 
Picture_Glycolysis and Gluconeogenesis Pathways – Simplified

Glycolysis and Gluconeogenesis simplified flow chart

I generated the following text from Google Gemeni:

Glycolysis

“Glycolysis is a metabolic pathway that breaks down glucose into pyruvate, generating a small amount of ATP and NADH.

It occurs in the cytoplasm of cells and is a fundamental process for energy production.

During_glycolysis, glucose undergoes a series of enzymatic reactions, including phosphorylation, isomerization, and oxidation, to ultimately yield pyruvate.

This pathway is essential for both aerobic and anaerobic respiration.

Gluconeogenesis

Gluconeogenesis is a metabolic pathway that synthesizes glucose from non-carbohydrate precursors, such as pyruvate, lactate, and amino acids.

It primarily occurs in the liver and kidneys and is crucial for maintaining blood glucose levels, especially during fasting or strenuous exercise.

Gluconeogenesis involves a series of reactions that are largely the reverse of_glycolysis, but with some key differences to overcome the irreversible steps in glycolysis.

This pathway requires energy input in the form of ATP and GTP, and it is tightly regulated to balance with glycolysis and maintain metabolic homeostasis.”

Refer to my Cellular Respiration series , linked below.  
Refer to these great references as well.
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