What are enzymes?
Enzymes

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Biology
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Enzymes are biological catalysts that speed up chemical reactions in living organisms. They are primarily made of proteins.
2.
FLASHCARD QUESTION
Front
What is the main function of an enzyme?
Back
The main function of an enzyme is to speed up reactions by lowering the activation energy required for the reaction to occur.
3.
FLASHCARD QUESTION
Front
What is a substrate in the context of enzymes?
Back
A substrate is the reactant molecule upon which an enzyme acts.
4.
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 and the reaction occurs.
5.
FLASHCARD QUESTION
Front
What happens to enzymes at low temperatures?
Back
At low temperatures, enzymes slow down, which can reduce the rate of reactions.
6.
FLASHCARD QUESTION
Front
What happens to enzymes at high temperatures?
Back
At high temperatures, enzymes can denature, meaning their structure is altered and they can no longer function properly.
7.
FLASHCARD QUESTION
Front
What is enzyme specificity?
Back
Enzyme specificity refers to the ability of an enzyme to choose exact substrates from a group of similar chemical molecules.
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