Enzyme Reaction
An exergonic reaction is one that

requires energy to proceed
gives off much heat
releases energy for work
looses energy

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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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