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Select the incorrectly matched pair.
- a)End products of alcoholic fermentation - Ethanol + CO2
- b)End products of lactic acid fermentation - Lactic acid + CO2
- c)Obligate anaerobe - Clostridium tetani
- d)RQ of carbohydrates - One
Correct answer is option 'B'. Can you explain this answer?
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Select the incorrectly matched pair.a)End products of alcoholic fermen...
Lactic acid fermentation occurs in lactic acid bacteria (e.g., Lactobacillus), some fungi and muscles. In lactic acid fermentation, pyruvic acid produced in glycolysis is directly reduced by NADH to form lactic acid. NoCO2 is produced. The enzyme is lactate dehydrogenase which requires FMN and Zn2+.
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Select the incorrectly matched pair.a)End products of alcoholic fermen...
Incorrectly matched pair:
b) End products of lactic acid fermentation - Lactic acid and CO2
Explanation:
1. Alcoholic fermentation:
- Alcoholic fermentation is a metabolic process that occurs in yeast and some bacteria.
- The end products of alcoholic fermentation are ethanol and carbon dioxide.
- During this process, glucose is converted into ethanol and carbon dioxide, with the help of enzymes present in yeast.
- This process is commonly used in the production of alcoholic beverages, such as beer and wine.
2. Lactic acid fermentation:
- Lactic acid fermentation is a metabolic process that occurs in certain bacteria and muscle cells.
- The end product of lactic acid fermentation is lactic acid, but not carbon dioxide.
- This process occurs when there is a lack of oxygen in the cells, and glucose is converted into lactic acid through a series of chemical reactions.
- Lactic acid fermentation is responsible for the production of lactic acid in yogurt, sauerkraut, and other fermented foods.
3. Obligate anaerobe:
- An obligate anaerobe is an organism that cannot survive in the presence of oxygen.
- Clostridium tetani is a bacterium that causes tetanus and is an obligate anaerobe.
- It thrives in environments with the absence of oxygen, such as deep wounds or contaminated soil.
- Clostridium tetani produces a potent neurotoxin that affects the nervous system and causes muscle stiffness and spasms.
4. Respiratory quotient (RQ) of carbohydrates:
- The respiratory quotient (RQ) is the ratio of carbon dioxide produced to oxygen consumed during cellular respiration.
- Carbohydrates have an RQ value of 1, meaning that for every molecule of glucose consumed, one molecule of carbon dioxide is produced.
- The RQ value can vary depending on the type of nutrient being metabolized. For example, fats have an RQ value of 0.7, while proteins have an RQ value of 0.8.
Therefore, option B is the incorrectly matched pair because lactic acid fermentation does not produce carbon dioxide.
b) End products of lactic acid fermentation - Lactic acid and CO2
Explanation:
1. Alcoholic fermentation:
- Alcoholic fermentation is a metabolic process that occurs in yeast and some bacteria.
- The end products of alcoholic fermentation are ethanol and carbon dioxide.
- During this process, glucose is converted into ethanol and carbon dioxide, with the help of enzymes present in yeast.
- This process is commonly used in the production of alcoholic beverages, such as beer and wine.
2. Lactic acid fermentation:
- Lactic acid fermentation is a metabolic process that occurs in certain bacteria and muscle cells.
- The end product of lactic acid fermentation is lactic acid, but not carbon dioxide.
- This process occurs when there is a lack of oxygen in the cells, and glucose is converted into lactic acid through a series of chemical reactions.
- Lactic acid fermentation is responsible for the production of lactic acid in yogurt, sauerkraut, and other fermented foods.
3. Obligate anaerobe:
- An obligate anaerobe is an organism that cannot survive in the presence of oxygen.
- Clostridium tetani is a bacterium that causes tetanus and is an obligate anaerobe.
- It thrives in environments with the absence of oxygen, such as deep wounds or contaminated soil.
- Clostridium tetani produces a potent neurotoxin that affects the nervous system and causes muscle stiffness and spasms.
4. Respiratory quotient (RQ) of carbohydrates:
- The respiratory quotient (RQ) is the ratio of carbon dioxide produced to oxygen consumed during cellular respiration.
- Carbohydrates have an RQ value of 1, meaning that for every molecule of glucose consumed, one molecule of carbon dioxide is produced.
- The RQ value can vary depending on the type of nutrient being metabolized. For example, fats have an RQ value of 0.7, while proteins have an RQ value of 0.8.
Therefore, option B is the incorrectly matched pair because lactic acid fermentation does not produce carbon dioxide.
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Select the incorrectly matched pair.a)End products of alcoholic fermentation - Ethanol +CO2b)End products of lactic acid fermentation - Lactic acid +CO2c)Obligate anaerobe - Clostridium tetanid)RQ of carbohydrates - OneCorrect answer is option 'B'. Can you explain this answer?
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