What is an enzyme?
Enzymes and organelles and Their Functions

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•
Biology
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A biological catalyst that speeds up chemical reactions in living organisms.
2.
FLASHCARD QUESTION
Front
What is the optimal temperature for enzyme activity?
Back
The temperature at which an enzyme functions most efficiently, often around 30°C for many enzymes.
3.
FLASHCARD QUESTION
Front
What organelle is responsible for photosynthesis?
Back
Chloroplasts.
4.
FLASHCARD QUESTION
Front
What is a catalyst?
Back
A substance that increases the rate of a chemical reaction without being consumed in the process.
5.
FLASHCARD QUESTION
Front
What is the relationship between pH and enzyme activity?
Back
Each enzyme has an optimal pH range where it is most active; deviations can reduce activity.
6.
FLASHCARD QUESTION
Front
True or False: Every enzyme has an optimal temperature and pH.
Back
True.
7.
FLASHCARD QUESTION
Front
What happens to enzyme activity at extreme temperatures?
Back
Enzyme activity typically decreases and can lead to denaturation.
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