Two types of cellular respiration include:

- Aerobic respiration
- Anaerobic respiration

Types of Respiration

Comparing Respiration vs. Fermentation

A catabolic pathway in which energy is released from nutrient oxidation to be used by the cell

University of Notre Dame

Enzymes break down carbohydrates such as glycogen, starch, and cellulose to break glycosidic linkages and release glucose monomers, the latter of which is used for further catabolism. The break down of materials during catabolism releases products necessary for cellular metabolism.

Carbohydrate catabolism

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Two pathways in glucose catabolism produce ATP by substrate-level phosphorylation:

- Glycolysis
- Krebs/Citric Acid Cycle

Pathways in Glucose Catabolism

Respiration

An anaerobic process that uses an organic molecule as the final electron acceptor to oxidize NADH to regenerate NAD+, allowing for glycolysis to continue. Involves glycolysis, but not oxidative phosphorylation, generating a maximum of 2 ATP

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