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- Meaning of AnaerobicAn anaerobic organism or anaerobe is any organism that does not require molecular oxygen for growth. It may react negatively or even die if free oxygen is present. Anaerobic means living,... More Respiration
- Meaning of MetabolismMetabolism is the sum of the chemical reactions that take place within each cell of a living organism and that provide energy for vital processes and for synthesizing new organic material.... More, Catabolism and Anabolism
- Experiment to show Respiration in Yeast
What is Anaerobic Respiration?
Anaerobic Respiration is the breakdown of food substances (usually glucose) in the absence of oxygen to yield carbon dioxide and energyEnergy is the ability to do work. Energy exists in several forms such as heat, kinetic or mechanical energy, light, potential energy, and electrical energy. Units of Energy: The SI unit... More. Unlike aerobic respiration, anaerobic respiration does not need oxygen.
\( \scriptsize \underset{Glucose}{C_6H_{12}O_6} \rightarrow \: \underset{Alcohol}{2C_2 H_5 OH} \: + \: \underset{Carbon(IV)dioxide}{2CO_2} \: + \: \underset{ATP}{Energy \: (118K)} \)
The breaking down of glucose to alcohol (ethanol) in the absence of oxygen is known as fermentationFermentation is a natural process through which microorganisms like yeast and bacteria convert carbs — such as starch and sugar — into alcohol or acids, anaerobically releasing energy. More. Yeast and certain prokaryotes, including some species of bacteria, respire anaerobically.
- Fermentation is used in bakeries to produce carbon dioxide which helps to make the dough rise as it escapes.
- It is used in breweries to produce alcohol as yeast anaerobically breaks down glucose to produce alcohol.
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