Enzyme Reaction
The affinity of an enzyme for its substrate, when the enzyme has a Km of 0.50 M will be __________ than the affinity of an enzyme for its substrate when the enzyme has a Km of 0.05 M.

half
lesser
approximately equal
greater

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Enzyme Reaction
Hydrogen and oxygen release enormous amounts of energy when they react. Yet, hydrogen and oxygen can be mixed together in a balloon and nothing will happen. Why?

There must be contaminating elements in the balloon that prohibit the reaction from occurring
Competitive inhibitors are blocking the reaction from occurring in the active site
The energy of activation to form the transition-state complex is too high to allow the reaction to occur without assistance
All of these

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