- 1(current)
Q. No.Regarding catalytic cycle of an enzyme action, select the correct sequential steps:
Choose the correct answer from the options given below:
1. A, E, B, D, C
2. B, A, C, D, E
3. E, D, C, B, A
4. E, A, D, C, B
| A. | Substrate enzyme complex formation. |
| B. | Free enzyme ready to bind with another substrate. |
| C. | Release of products. |
| D. | Chemical bonds of the substrate broken. |
| E. | Substrate binding to active site. |
1. A, E, B, D, C
2. B, A, C, D, E
3. E, D, C, B, A
4. E, A, D, C, B
Subtopic: Enzyme Catalysis | Factors Affecting Enzyme Catalysis Reaction | Mechanism of Enzymes |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following graphs explains the effect of pH on the enzyme activity?
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Factors Affecting Enzyme Catalysis Reaction |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following graphs depicts the effect of substrate concentration on velocity of enzyme catalysed reaction?
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Factors Affecting Enzyme Catalysis Reaction |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGiven 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 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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