Enzymes
Flashcard
•
Biology
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an enzyme?
Back
A biological catalyst that speeds up chemical reactions in living organisms without being consumed in the process.
2.
FLASHCARD QUESTION
Front
What is the active site of an enzyme?
Back
The specific region on an enzyme where the substrate binds and the reaction occurs.
3.
FLASHCARD QUESTION
Front
What is a substrate?
Back
The reactant molecule that an enzyme acts upon.
4.
FLASHCARD QUESTION
Front
What is an enzyme-substrate complex?
Back
The temporary complex formed when an enzyme binds to its substrate.
5.
FLASHCARD QUESTION
Front
What are the products of an enzyme-catalyzed reaction?
Back
The molecules that are produced as a result of the reaction facilitated by the enzyme.
6.
FLASHCARD QUESTION
Front
What is the role of enzymes in biological reactions?
Back
Enzymes lower the activation energy required for reactions, thus increasing the rate of the reaction.
7.
FLASHCARD QUESTION
Front
What factors can affect enzyme activity?
Back
Temperature, pH, substrate concentration, and the presence of inhibitors or activators.
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