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Consider the following statement-
(1) oxidation of NADH occur fast in anaerobic than aerobic respiration
(2) Complex I of ETS is reduced by NADH
How many correct-
- a)only a
- b)only b
- c)both correct
- d)both wrong
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Consider the following statement-(1) oxidation of NADH occur fast in a...
Explanation:
(1) Oxidation of NADH occur fast in anaerobic than aerobic respiration:
- This statement is incorrect. The oxidation of NADH occurs faster in aerobic respiration than anaerobic respiration.
- In aerobic respiration, NADH is oxidized by the electron transport chain (ETC) in the presence of oxygen, which leads to the production of a large amount of ATP.
- In anaerobic respiration, NADH is oxidized by an alternative electron acceptor, such as pyruvate or acetaldehyde, which produces a smaller amount of ATP.
- Hence, the statement (1) is wrong.
(2) Complex I of ETS is reduced by NADH:
- This statement is correct. Complex I of the ETC is the first enzyme complex in the electron transport chain, and it receives the electrons from NADH.
- NADH donates two electrons to complex I, which are transferred through a series of redox reactions to other enzyme complexes in the ETC, leading to the production of ATP.
- Hence, the statement (2) is correct.
Conclusion:
- The correct option is (c) both correct, as statement (2) is correct, and statement (1) is incorrect.
(1) Oxidation of NADH occur fast in anaerobic than aerobic respiration:
- This statement is incorrect. The oxidation of NADH occurs faster in aerobic respiration than anaerobic respiration.
- In aerobic respiration, NADH is oxidized by the electron transport chain (ETC) in the presence of oxygen, which leads to the production of a large amount of ATP.
- In anaerobic respiration, NADH is oxidized by an alternative electron acceptor, such as pyruvate or acetaldehyde, which produces a smaller amount of ATP.
- Hence, the statement (1) is wrong.
(2) Complex I of ETS is reduced by NADH:
- This statement is correct. Complex I of the ETC is the first enzyme complex in the electron transport chain, and it receives the electrons from NADH.
- NADH donates two electrons to complex I, which are transferred through a series of redox reactions to other enzyme complexes in the ETC, leading to the production of ATP.
- Hence, the statement (2) is correct.
Conclusion:
- The correct option is (c) both correct, as statement (2) is correct, and statement (1) is incorrect.
Community Answer
Consider the following statement-(1) oxidation of NADH occur fast in a...
Both are correct, bcz complex 1 is reduced by NADH dehydrogenase enzyme
and 1 is correct
and 1 is correct
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Consider the following statement-(1) oxidation of NADH occur fast in anaerobic than aerobic respiration(2) Complex I of ETS is reduced by NADHHow many correct-a)only ab)only bc)both correctd)both wrongCorrect answer is option 'C'. Can you explain this answer?
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