Regarding catalytic cycle of an enzyme action, select the correct sequential steps: 
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. 
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 
Subtopic:  Enzyme Catalysis | Factors Affecting Enzyme Catalysis Reaction | Mechanism of Enzymes |
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Which of the following describes the given graph correctly? 
 
1. Endothermic reaction with energy A in the presence of enzyme and B in the absence of enzyme
2. Exothermic reaction with energy A in the presence of enzyme and B in the absence of enzyme
3. Endothermic reaction with energy A in the absence of enzyme and B in the presence of enzyme
4. Exothermic reaction with energy A in the absence of enzyme and B in the presence of enzyme
Subtopic:  Mechanism of Enzymes |
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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:  Mechanism of Enzymes |
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