What is an enzyme?
Enzymes

Flashcard
•
Biology
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
An enzyme is a protein that acts as a catalyst to accelerate chemical reactions in biological systems.
2.
FLASHCARD QUESTION
Front
True or False: Every enzyme has an optimal temperature and pH.
Back
True
3.
FLASHCARD QUESTION
Front
What is the pH range of a base?
Back
A base has a pH greater than 7.
4.
FLASHCARD QUESTION
Front
Can enzymes be reused after a reaction?
Back
Yes, enzymes can be used again and again after catalyzing a reaction.
5.
FLASHCARD QUESTION
Front
What is the role of enzymes in biological reactions?
Back
Enzymes lower the activation energy required for reactions, thus speeding up the process.
6.
FLASHCARD QUESTION
Front
What factors can affect enzyme activity?
Back
Enzyme activity can be affected by temperature, pH, substrate concentration, and the presence of inhibitors or activators.
7.
FLASHCARD QUESTION
Front
What is a substrate in the context of enzymes?
Back
A substrate is the reactant molecule upon which an enzyme acts.
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