Topic: Enzymes: types, properties, action, classification· Cell Structure and Function

Inhibition of Succinic dehydrogenase enzyme by malonate is a classical example of:

1. Enzyme activation

2. Cofactor inhibition

3. Feedback inhibition

4. Competitive inhibition

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Answer: 4. Competitive inhibition

Key idea: malonate looks like succinate, so it competes for the active site.

Malonate is a structural analogue of succinate and binds the active site of succinic dehydrogenase, blocking the substrate. This is competitive inhibition, and it can be reduced by adding more substrate.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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Inhibition of Succinic dehydrogenase enzyme by malonate is a classical example of:

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