Enzymes and Energy Changes in Biological Reactions

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8 Questions

What do enzymes do to the activation energy of a biochemical reaction?

Decrease it

What is the energy barrier separating the reactants and products in a chemical reaction called?

Free energy of activation

What type of molecules are most enzymes?


What do enzymes not change in a chemical reaction?

Free energy of activation

What is the high-energy intermediate formed during the conversion of reactants to products called?

Transition state

What affects the velocity of a chemical reaction?

Substrate concentration

What must molecules have to react in a transition state?

High energy

What does the lower free energy of activation indicate for a molecule?

More ability to pass through transition state

Test your knowledge about enzymes and the energy changes that occur during biological reactions. Learn about how enzymes speed up biochemical reactions and the role of activation energy.

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