Carbohydrate Metabolism Cycles in Brief

Carbohydrate Metabolism Cycles:

1. Glycogenesis
2. Glycogenolysis
3. Glycolysis
4. Pentose Shunt Cycle
5. Uronic Acid Cycle
6. Kreb's Cycle

Cycle Name	Definition	Position / Location / Site	Product
1. Glycogenesis	It is the formation of glycogen in liver and muscles.	occur first in the body then Glucose converted into Glycogen in liver cells.	Glycogen
2. Glycogenolysis	It is the break down of Glycogen into Glucose in liver and Lactic acid in muscles.	occur in liver, muscles and blood.	Glucose
3. Glycolysis	It is the oxidation of Glucose to Pyruvate in presence of oxygen or Lactate in absence of Oxygen. Note! To memorize them better => Pyruvate in Presence of Oxygen	occur in cytoplasm of all tissue cells	Pyruvate in presence of Oxygen, and Lactate in absence of Oxygen
4. Kreb's Cycle	It is a series of reactions in which Acetyle-CoA is oxidized into CO2 , H2O  and energy.	occur in Mitochondria	It forms Citrate and end by Oxaloacetate

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