What is an enzyme?
Enzymes

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•
Biology
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A biological catalyst that speeds up chemical reactions in living organisms without being consumed in the process.
2.
FLASHCARD QUESTION
Front
What is a substrate?
Back
The reactant molecule upon which an enzyme acts.
3.
FLASHCARD QUESTION
Front
What is the active site of an enzyme?
Back
The specific region of an enzyme where the substrate binds and the reaction occurs.
4.
FLASHCARD QUESTION
Front
What happens to enzymes at high temperatures?
Back
Enzymes can denature, meaning their shape is altered, which affects their function.
5.
FLASHCARD QUESTION
Front
What is denaturation in enzymes?
Back
The process where an enzyme's structure is altered, usually due to extreme temperature or pH, leading to loss of function.
6.
FLASHCARD QUESTION
Front
What is lactase?
Back
An enzyme that breaks down lactose into glucose and galactose.
7.
FLASHCARD QUESTION
Front
What is the effect of lactase on lactose concentration?
Back
Lactase decreases lactose concentration while increasing glucose concentration.
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