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A competitive inhibitor of succinic dehydrogenase is
Options
(a) Malonate
(b) Oxaloacetate
(c) m-ketoglutarate
(d) Malate
Correct Answer:
Malonate
Explanation:
Malonate is a powerful inhibitor of cellular respiration, because it binds to the active site of the succinate dehydrogenase in the citric acid cycle but does not react, thereby competes with succinate, since it does not have the -CH₂-CH₂- group as in succinate which is required for dehydrogenation. For oxidative phosphorylation reaction, malonate is an inhibitor for complex II which again contain succinate dehydrogenase.
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- Which has H-shaped grey matter?
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- Which of the following is the source of energy for muscle contraction?
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Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Cell Structure and Functions
(413)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which one of the following is the true description about an animal concerned?
- Which has H-shaped grey matter?
- Which one of the following statements is correct with respect to AIDS?
- Which of the following is the source of energy for muscle contraction?
- Chloride shift occurs in respond to
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Cell Structure and Functions (413)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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