
AP Bio Insta-Review Topic 3.1: Enzyme Structure
Flashcard
•
Biology
•
9th - 12th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is an enzyme?
Back
A biological catalyst that speeds up chemical reactions by lowering the activation energy.
2.
FLASHCARD QUESTION
Front
How do enzymes speed up chemical reactions?
Back
By decreasing the activation energy required for the reaction to occur.
3.
FLASHCARD QUESTION
Front
Where does the substrate bind on an enzyme?
Back
At the active site.
4.
FLASHCARD QUESTION
Front
What is the effect of an enzyme on ΔG (change in Gibbs free energy)?
Back
Enzymes do not affect ΔG; they only speed up the rate of the reaction.
5.
FLASHCARD QUESTION
Front
What happens to an enzyme when the substrate binds to it?
Back
The enzyme changes shape, which activates it.
6.
FLASHCARD QUESTION
Front
What type of macromolecule are enzymes?
Back
Enzymes are proteins.
7.
FLASHCARD QUESTION
Front
What is the active site of an enzyme?
Back
The specific region where the substrate binds and the reaction occurs.
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