What is an exergonic reaction?
AP Unit 3 Review (Energy & Enzymes)

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Science
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12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A chemical reaction in which the products have less chemical potential energy than the reactants, resulting in the release of energy.
2.
FLASHCARD QUESTION
Front
What is an endergonic reaction?
Back
A chemical reaction in which the products have more chemical potential energy than the reactants, requiring an input of energy.
3.
FLASHCARD QUESTION
Front
What does the term 'activation energy' refer to?
Back
The minimum amount of energy required for a chemical reaction to occur.
4.
FLASHCARD QUESTION
Front
What role do enzymes play in chemical reactions?
Back
Enzymes act as molecular catalysts that lower the activation energy needed for reactions to occur.
5.
FLASHCARD QUESTION
Front
What is a competitive inhibitor?
Back
A substance that competes with the substrate for binding to the active site of an enzyme, potentially slowing down the reaction.
6.
FLASHCARD QUESTION
Front
How can the effects of a competitive inhibitor be overcome?
Back
By increasing the concentration of the substrate, which can outcompete the inhibitor for the active site.
7.
FLASHCARD QUESTION
Front
What are optimal conditions for enzyme activity?
Back
The specific temperature and pH range at which an enzyme functions most effectively.
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