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Match the following:
| (a) | Inhibitor of catalytic activity of succinate dehydrogenase | (i) | Ricin |
| (b) | Possess peptide bonds | (ii) | Malonate |
| (c) | Cell wall material in fungi | (iii) | Chitin |
| (d) | Secondary metabolite | (iv) | Collagen |
Choose the correct option from the following:
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (i) | (iv) | (ii) |
| 2. | (iii) | (iv) | (i) | (ii) |
| 3. | (ii) | (iii) | (i) | (iv) |
| 4. | (ii) | (iv) | (iii) | (i) |
Subtopic: Proteins | Enzyme Inhibition | Primary & Secondary Metabolites | Carbohydrates: Cellulose, Chitin, Inulin & Agar |
89%
Level 1: 80%+
NEET - 2020
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Given below are two statements:
In the light of the above statements, choose the correct answer from the options given below:
1. Statement I is false but Statement II is true.
2. Both Statement I and Statement II are true.
3. Both Statement I and Statement II are false.
4. Statement I is true but Statement II is false.
| Statement I: | Low temperature preserves the enzyme in a temporarily inactive state whereas high temperature destroys enzymatic activity because proteins are denatured by heat. |
| Statement II: | When the inhibitor closely resembles the substrate in its molecular structure and inhibits the activity of the enzyme, it is known as competitive inhibitor. |
1. Statement I is false but Statement II is true.
2. Both Statement I and Statement II are true.
3. Both Statement I and Statement II are false.
4. Statement I is true but Statement II is false.
Subtopic: Factors Affecting Enzyme Catalysis Reaction | Enzyme Inhibition |
88%
Level 1: 80%+
NEET - 2023
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A competitive inhibitor of succinic dehydrogenase is:
| 1. | malonate | 2. | oxaloacetate |
| 3. | α-ketoglutarate | 4. | malate |
Subtopic: Enzyme Inhibition: Introduction | Enzyme Inhibition |
91%
Level 1: 80%+
AIPMT - 2008
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Inhibition of Succinic dehydrogenase enzyme by malonate is a classical example of:
| 1. | Feedback inhibition |
| 2. | Competitive inhibition |
| 3. | Enzyme activation |
| 4. | Cofactor inhibition |
Subtopic: Enzyme Inhibition |
81%
Level 1: 80%+
NEET - 2024
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Malonate inhibits the growth of pathogenic bacteria by inhibiting the activity of:
1. Dinitrogenase
2. Succinic dehydrogenase
3. Amylase
4. Lipase
1. Dinitrogenase
2. Succinic dehydrogenase
3. Amylase
4. Lipase
Subtopic: Enzyme Inhibition |
89%
Level 1: 80%+
NEET - 2023
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