- 1(current)
Q. No.Which of the following is correct?
1. The ES complex formation is a transient phenomenon
2. The structure of the substrate gets transformed into the structure of product.
3. All the structures formed between substrate and product are called intermediates.
4. All of these
Subtopic: Â Mechanism of Enzymes |
 97%
Level 1: 80%+
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Which of the following is correct?
1. Physical change refers to change in shape without breaking the bonds
2. Change in state of matter also takes place in physical change
3. Chemical change involves breaking of old bonds and formation of new ones.
4. All of these
Subtopic: Â Mechanism of Enzymes |
 95%
Level 1: 80%+
Hints
The figure given below shows the conversion of a substrate into product by an enzyme. In which one of the four options (a-d) the components of reaction labelled as A, B, C and D are identified correctly?
| A | B | C | D | |
| 1. | Potential energy | Transition state | Activation energy with enzyme |
Activation energy without enzyme |
| 2. | Transition state | Potential energy | Activation energy without enzyme |
Activation energy with enzyme |
| 3. | Potential energy | Transition state | Activation energy with enzyme |
Activation energy without enzyme |
| 4. | Activation energy with enzyme |
Transition state | Activation energy without enzyme |
Potential energy |
Subtopic: Â Mechanism of Enzymes |
 91%
Level 1: 80%+
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Refer to the graph showing the effect of substrate concentration on enzyme activity. Which of the following statements is correct?
| 1. | The reaction rate increases linearly with increasing substrate concentration. |
| 2. | The reaction rate reaches a maximum at a specific substrate concentration. |
| 3. | The enzyme is completely saturated with substrate at low concentrations. |
| 4. | The reaction rate is independent of substrate concentration. |
Subtopic: Â Mechanism of Enzymes |
 88%
Level 1: 80%+
Please attempt this question first.
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Please attempt this question first.
Transition state structure of the substrate formed during an enzymatic reaction is:
| 1. | permanent but unstable |
| 2. | transient and unstable |
| 3. | permanent and stable |
| 4. | transient but stable |
Subtopic: Â Mechanism of Enzymes |
 83%
Level 1: 80%+
AIPMT - 2013
Hints
- 1(current)
Q. No.
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