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KEY CONCEPT Anaerobic Respiration produces a small amount of ATP without oxygen .

Anaerobic respiration, also known as fermentation, is a cellular process that produces a small amount of ATP without the presence of oxygen. This process occurs when oxygen is not available, and it can be classified into two types: lactic acid fermentation and alcoholic fermentation. Lactic acid fermentation occurs in muscle cells, where glucose is split into two molecules and converted into lactic acid. Alcoholic fermentation, on the other hand, occurs in yeast organisms, where sugars are converted into ethyl alcohol and carbon dioxide. While aerobic respiration produces a significantly higher amount of ATP compared to anaerobic respiration, humans need oxygen to live because it is necessary for the efficient production of ATP through aerobic respiration.

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KEY CONCEPT Anaerobic Respiration produces a small amount of ATP without oxygen .

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  1. KEY CONCEPT Anaerobic Respiration produces a small amount of ATP without oxygen.

  2. Fermentation is an anaerobic process. • Fermentation occurs when oxygen is not available Aerobic Anaerobic cellular respiration

  3. Lactic acid fermentation • occurs in muscle cells • #1: Glycolysis splits glucose into two molecules • #2: These molecules are converted into lactic acid • There are two types of Fermentation:

  4. Alcoholic fermentation • Occurs in yeast organisms • The yeast feed on sugars and do only anaerobic respiration. Glycolysis breaks down the sugar which is converted into ethyl alcohol and carbon dioxide.

  5. Aerobic vs. Anaerobic Respiration • Aerobic Respiration produces: _________ ATP • Anaerobic Respiration produces _______ ATP Explain why humans need oxygen to live!

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