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HomeHomework HelpbiologyLactic Acid Fermentation

Lactic Acid Fermentation

Lactic acid fermentation is a metabolic process in which glucose is converted into lactic acid and energy in the absence of oxygen, primarily occurring in certain bacteria and muscle cells during intense exercise. This anaerobic pathway allows for the regeneration of NAD+, enabling glycolysis to continue producing ATP.

intermediate
2 hours
Biology
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Overview

Lactic acid fermentation is a crucial biological process that allows organisms to generate energy without oxygen. It plays a significant role in various applications, particularly in the food industry, where it is used to produce yogurt, sauerkraut, and other fermented products. Understanding this p...

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Key Terms

Fermentation
A metabolic process that converts sugar to acids, gases, or alcohol.

Example: Yeast fermentation produces alcohol in beer.

Anaerobic
A process that occurs without oxygen.

Example: Lactic acid fermentation is an anaerobic process.

Glycolysis
The breakdown of glucose to extract energy.

Example: Glycolysis is the first step in both aerobic and anaerobic respiration.

Lactate
The ion form of lactic acid produced during fermentation.

Example: Lactate accumulates in muscles during intense exercise.

Oxygen Debt
The amount of oxygen required to convert lactic acid back to glucose.

Example: After sprinting, your body incurs an oxygen debt.

Probiotics
Live bacteria that are beneficial for health.

Example: Yogurt contains probiotics that aid digestion.

Related Topics

Alcoholic Fermentation
A process where sugars are converted into alcohol and carbon dioxide by yeast.
intermediate
Cellular Respiration
The process by which cells convert glucose and oxygen into energy, carbon dioxide, and water.
intermediate
Anaerobic Respiration
A type of respiration that occurs without oxygen, producing energy through fermentation.
intermediate

Key Concepts

Anaerobic processLactate productionEnergy yieldApplications in food