Role of enzyme in reactions is to:
1. Decrease activation energy
2. Increase activation energy
3. Act as an inorganic catalyst
4. None of the above

Subtopic:  Enzyme Catalysis |
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Which of the following statements regarding enzyme inhibition is correct:
 

1. Competitive inhibition is seen when a substrate competes with an enzyme for binding to an inhibitor protein
2. Non-competitive inhibitors often bind to the enzyme irreversibly
3. Competitive inhibition is seen when the substrate and the inhibitor compete for the active site on the enzyme
4. Non-competitive inhibition of an enzyme can be overcome by adding large amounts of substrate
Subtopic:  Enzyme Catalysis |
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The catalytic efficiency of two different enzymes can be compared by the:

1. The Km value

2. The pH optimum value

3. Molecular size of the enzyme

4. Formation of the product 

Subtopic:  Enzyme Catalysis |
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