Anaerobic
Definition
Anaerobic processes occur without the presence of oxygen. These processes are essential in certain cellular respiration pathways, such as glycolysis.
5 Must Know Facts For Your Next Test
- Anaerobic glycolysis occurs in the cytoplasm of cells.
- During anaerobic glycolysis, glucose is converted into pyruvate, producing ATP and NADH.
- In the absence of oxygen, pyruvate is often converted to lactate in animal cells or ethanol in yeast cells.
- Anaerobic conditions can lead to less efficient ATP production compared to aerobic respiration.
- Fermentation is a common anaerobic process that regenerates NAD+ from NADH, allowing glycolysis to continue.
Review Questions
- Where does anaerobic glycolysis take place within a cell?
- What are the end products of anaerobic glycolysis in muscle cells?
- How does fermentation support continued ATP production during anaerobic respiration?
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Related terms
Glycolysis: A metabolic pathway that converts glucose into pyruvate, generating ATP and NADH.
Fermentation: An anaerobic process that allows for the regeneration of NAD+ by converting pyruvate into lactate or ethanol.
ATP (Adenosine Triphosphate): The primary energy carrier in cells, produced during both aerobic and anaerobic respiration.
