Enzymes
Flashcard
•
Biology
•
9th - 12th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an enzyme?
Back
An enzyme is a biological catalyst that speeds up chemical reactions in living organisms without being consumed in the process.
2.
FLASHCARD QUESTION
Front
What is the function of lactase?
Back
Lactase is an enzyme that breaks down lactose, a sugar found in milk, into monosaccharides (glucose and galactose).
3.
FLASHCARD QUESTION
Front
What is a catalyst?
Back
A catalyst is a substance that increases the rate of a chemical reaction without undergoing any permanent chemical change.
4.
FLASHCARD QUESTION
Front
What is the active site of an enzyme?
Back
The active site is the specific region of an enzyme where substrate molecules bind and undergo a chemical reaction.
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 optimum pH for an enzyme?
Back
The optimum pH is the pH at which an enzyme's activity is at its maximum.
7.
FLASHCARD QUESTION
Front
How does temperature affect enzyme activity?
Back
Enzyme activity generally increases with temperature up to a certain point (optimum temperature), after which it decreases due to denaturation.
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