- 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 & BiologyThe catalytic cyclic of an enzyme action is described as:
A. Enzyme releases products of the reaction and gets free.
B. Substrate induces the enzyme to alter its shape.
C. The substrate binds with the active site of the enzyme.
D. Enzymes-product complex is formed.
1. \(\mathrm C \rightarrow \mathrm B \rightarrow \mathrm A \rightarrow \mathrm D\)
2. \(\mathrm{C} \rightarrow \mathrm{B} \rightarrow \mathrm{D} \rightarrow \mathrm{A}\)
3. \(\mathrm B \rightarrow \mathrm C \rightarrow \mathrm D \rightarrow \mathrm A\)
4. \(\mathrm D \rightarrow \mathrm C \rightarrow \mathrm A \rightarrow \mathrm B\)
A. Enzyme releases products of the reaction and gets free.
B. Substrate induces the enzyme to alter its shape.
C. The substrate binds with the active site of the enzyme.
D. Enzymes-product complex is formed.
1. \(\mathrm C \rightarrow \mathrm B \rightarrow \mathrm A \rightarrow \mathrm D\)
2. \(\mathrm{C} \rightarrow \mathrm{B} \rightarrow \mathrm{D} \rightarrow \mathrm{A}\)
3. \(\mathrm B \rightarrow \mathrm C \rightarrow \mathrm D \rightarrow \mathrm A\)
4. \(\mathrm D \rightarrow \mathrm C \rightarrow \mathrm A \rightarrow \mathrm B\)
Subtopic: Enzyme Catalysis |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn a reaction catalyzed by an enzyme, which of the following statements is correct ?
| 1. | Enzymes decrease the activation energy for formation of transition state. |
| 2. | Enzymes make transition form substrate to product more difficult. |
| 3. | Enzymes increase the activation energy for formation of transition state. |
| 4. | Enzyme-substrate complex formed during a reaction lasts for a very long time. |
Subtopic: Enzyme Catalysis |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
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