What is the difference between alcoholic fermentation and lactic acid fermentation?

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Solution

Fermentation:
It is the process by which glucose is converted to organic compounds in absence of oxygen.
Compare to aerobic respiration ATP generated is very less in anaerobic respiration
Alcoholic Fermentation: Glucose forms ethanol and carbon dioxide as by-products.
Lactic acid fermentation: Glucose forms lactic acid and 2 ATP,
Alcoholic Fermentation Lactic acid fermentation
1. Glucose forms ethanol and carbon dioxide as by-products. 1. Glucose forms lactic acid and 2 ATP.
2. C₆H₁₂O_{6 +}2ADP → 2 C₂H₅OH +2 CO₂ + 2 ATP 2. Pyruvic acid + 2NADH → Lactic acids + 2 NAD⁺
3. This reaction is catalyzed by alcohol dehydrogenase 3. It takes place in the bacteria Lactobacillus.
4. Yeast perform this conversion 4. It also takes place in muscle cells during intense exercise when enough oxygen is not provided.
5. Yeasts die when the concentration of alcohol reaches about 13 percent in alcohol fermentation 5. Lactate dehydrogenase catalyzed this reaction.
6. It takes place in an anaerobic condition 6. It takes place in anaerobic conditions.
7. It is used in alcohol formation 7. This fermentation is used in yogurt formation.

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Alcoholic Fermentation	Lactic acid fermentation
1. Glucose forms ethanol and carbon dioxide as by-products.	1. Glucose forms lactic acid and 2 ATP.
2. C₆H₁₂O_{6 +}2ADP → 2 C₂H₅OH +2 CO₂ + 2 ATP	2. Pyruvic acid + 2NADH → Lactic acids + 2 NAD⁺
3. This reaction is catalyzed by alcohol dehydrogenase	3. It takes place in the bacteria Lactobacillus.
4. Yeast perform this conversion	4. It also takes place in muscle cells during intense exercise when enough oxygen is not provided.
5. Yeasts die when the concentration of alcohol reaches about 13 percent in alcohol fermentation	5. Lactate dehydrogenase catalyzed this reaction.
6. It takes place in an anaerobic condition	6. It takes place in anaerobic conditions.
7. It is used in alcohol formation	7. This fermentation is used in yogurt formation.