- 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.
Hints
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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