What is a substance called if it speeds up a chemical reaction?
Enzymes/Macromolecules

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•
Biology
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Catalyst: A substance that increases the rate of a chemical reaction without being consumed in the process.
2.
FLASHCARD QUESTION
Front
What do we call any substance that is acted upon by an enzyme?
Back
Substrate: The specific reactant that an enzyme acts on.
3.
FLASHCARD QUESTION
Front
What do enzymes do to the activation energy of a reaction?
Back
Enzymes decrease the activation energy of the reaction, making it easier for the reaction to occur.
4.
FLASHCARD QUESTION
Front
What are enzymes primarily made of?
Back
Proteins: Enzymes are biological catalysts that are primarily composed of proteins.
5.
FLASHCARD QUESTION
Front
Which of the following is NOT a job of proteins in the body?
Back
Insulation: While proteins have many functions, insulation is primarily a role of lipids.
6.
FLASHCARD QUESTION
Front
What is the role of a coenzyme?
Back
Coenzyme: A non-protein molecule that assists enzymes in catalyzing reactions.
7.
FLASHCARD QUESTION
Front
What is the term for the specific region on an enzyme where the substrate binds?
Back
Active Site: The region on an enzyme where the substrate binds and the reaction occurs.
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