Rate of a physical or chemical process:
I: refers to the amount of product formed per unit time.
II: can also be called velocity if the direction is specified.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic:  Properties of Enzymes | Mechanism of Enzymes | Enzyme Introduction |
 92%
From NCERT
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For an enzyme catalysed metabolic reaction:
I: the formation of an ‘ES’ complex is not obligatory.
II: ‘ES’ complex formation is a transient phenomenon.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic:  Enzyme Cofactors | Properties of Enzymes | Mechanism of Enzymes | Enzyme Introduction |
 80%
From NCERT
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Identify the incorrect statement regarding enzymes:
1. Enzymes generally function in a narrow range of temperature and pH.
2. Each enzyme shows its highest activity at a particular temperature and a pH called the optimum temperature and the optimum pH.
3. Activity declines both below and above the optimum value.
4. Low temperatures denature the enzyme; high temperatures temporarily inactivate the enzyme.
Subtopic:  Properties of Enzymes | Mechanism of Enzymes | Enzyme Introduction |
 94%
From NCERT
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