What is an enzyme?
Enzymes

Flashcard
•
Biology
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
An enzyme is a biological catalyst that speeds up chemical reactions in living organisms.
2.
FLASHCARD QUESTION
Front
What is the optimal temperature for enzymes?
Back
The optimal temperature is the temperature at which an enzyme's activity is highest.
3.
FLASHCARD QUESTION
Front
What is the optimal pH for enzymes?
Back
The optimal pH is the pH level at which an enzyme functions most effectively.
4.
FLASHCARD QUESTION
Front
What happens to enzymes at high temperatures?
Back
High temperatures can denature enzymes, causing them to lose their shape and function.
5.
FLASHCARD QUESTION
Front
What is a substrate?
Back
A substrate is the reactant molecule upon which an enzyme acts.
6.
FLASHCARD QUESTION
Front
What is the active site of an enzyme?
Back
The active site is the specific region of an enzyme where the substrate binds.
7.
FLASHCARD QUESTION
Front
How do enzymes speed up chemical reactions?
Back
Enzymes lower the activation energy required for a reaction to occur.
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