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Question
Biology
Posted 6 months ago
In which processes, anaerobic and aerobic respiraton, is ethanol produced? What evidence do you have to indicate this?
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Answer from Sia
Posted 6 months ago
Answer
Ethanol is produced in anaerobic respiration.
Solution
a
Anaerobic respiration: In the absence of oxygen, certain organisms, such as yeast, undergo anaerobic respiration (fermentation) to produce ethanol and carbon dioxide. The chemical equation for this process is: C6H12O62C2H5OH+2CO2 C_6H_{12}O_6 \rightarrow 2 C_2H_5OH + 2 CO_2
b
Aerobic respiration: In the presence of oxygen, cells undergo aerobic respiration, which involves the complete oxidation of glucose to produce carbon dioxide, water, and a large amount of ATP. Ethanol is not produced in this process. The chemical equation for aerobic respiration is: C6H12O6+6O26CO2+6H2O+ATP C_6H_{12}O_6 + 6 O_2 \rightarrow 6 CO_2 + 6 H_2O + \text{ATP}
Key Concept
Ethanol production occurs during anaerobic respiration (fermentation).
Explanation
In anaerobic respiration, organisms like yeast convert glucose into ethanol and carbon dioxide in the absence of oxygen. In contrast, aerobic respiration fully oxidizes glucose into carbon dioxide and water, without producing ethanol.

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