Activation Energy and Enzymes
Flashcard
•
Biology
•
12th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What model describes the specific interaction between an enzyme and its substrate?
Back
The lock and key model.
2.
FLASHCARD QUESTION
Front
Enzymes (biological catalysts) work by lowering the _______________ for chemical reactions.
Back
activation energy.
3.
FLASHCARD QUESTION
Front
In the context of enzymes, what is a substrate?
Back
The reactant on which an enzyme acts.
4.
FLASHCARD QUESTION
Front
What is activation energy?
Back
The minimum energy required for a chemical reaction to occur.
5.
FLASHCARD QUESTION
Front
What role do enzymes play in biological reactions?
Back
Enzymes act as catalysts to speed up chemical reactions by lowering activation energy.
6.
FLASHCARD QUESTION
Front
What is the difference between a substrate and a product in enzymatic reactions?
Back
A substrate is the reactant that an enzyme acts upon, while a product is the result of the enzymatic reaction.
7.
FLASHCARD QUESTION
Front
What is the significance of the lock and key model in enzyme activity?
Back
It illustrates how specific enzymes fit with specific substrates, ensuring that only certain reactions occur.
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