Enzyme Inhibition: Introduction Biomolecules (120 MCQs) Biomolecules Biology - XI NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Consider the given statements regarding competitive enzyme inhibition:

Statement I:	Competitive inhibitor closely resembles the substrate in its molecular structure
Statement II:	In spite of its close structural similarity with the substrate, the inhibitor does not compete with the substrate for the substrate-binding site of the enzyme.
Statement III:	Inhibition of succinic dehydrogenase by succinate which closely resembles the substrate malonate in structure is an example of competitive inhibition.

1.	Statement I is correct; Statement II is correct; Statement III is correct
2.	Statement I is incorrect; Statement II is correct; Statement III is incorrect
3.	Statement I is correct; Statement II is incorrect; Statement III is incorrect
4.	Statement I is correct; Statement II is correct; Statement III is incorrect

Subtopic: Enzyme Inhibition: Introduction | Enzyme Inhibition |

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Consider the given two statements:

Assertion (A):	The effect of competitive inhibition can be overcome by increasing the substrate of the enzyme.
Reason (R):	The presence of a competitive inhibitor can decrease the rate of enzyme-catalyzed reaction by blocking the substrate from binding to the enzyme.

1.	Both (A) and (R) are True and (R) correctly explains (A)
2.	Both (A) and (R) are True but (R) does not correctly explain (A)
3.	(A) is True but (R) is False
4.	(A) is False but (R) is True

Subtopic: Enzyme Inhibition: Introduction | Enzyme Inhibition |

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