The substrate concentration at which the enzyme catalyzed reaction achieves ½ Vmax is its ____ value.

1. Km 2. Kcat
3. pKa 4. Q10
Subtopic:  Enzyme Catalysis | Factors Affecting Enzyme Catalysis Reaction |
 91%
Level 1: 80%+
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The substrate has to go through a higher energy state or transition state during its conversion to a product in:

I: Exothermic spontaneous reactions
II: Endothermic reactions
III: Enzyme catalyzed reactions
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II, and III
Subtopic:  Enzyme Catalysis |
 52%
Level 3: 35%-60%
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