What effect does an increase in temperature have on the rate of enzyme reactions?
AP Biology: Unit 3 Enzymes

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Biology
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9th - 12th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
An increase in temperature increases the speed/kinetic energy of particles, leading to more frequent collisions between enzymes and substrates.
2.
FLASHCARD QUESTION
Front
What type of reaction is characterized by the breakdown of larger molecules into smaller ones?
Back
Catabolic reaction.
3.
FLASHCARD QUESTION
Front
Where does the substrate bind on an enzyme?
Back
The substrate binds at the active site of the enzyme.
4.
FLASHCARD QUESTION
Front
What is the optimum pH for enzyme activity?
Back
The optimum pH is the pH at which an enzyme exhibits maximum activity; for some enzymes, this may be around 6.6.
5.
FLASHCARD QUESTION
Front
What happens to enzyme activity at high temperatures?
Back
Enzyme activity declines due to denaturation, which alters the enzyme's structure.
6.
FLASHCARD QUESTION
Front
Define denaturation in the context of enzymes.
Back
Denaturation is the process where an enzyme loses its functional shape due to external stressors like high temperature or extreme pH.
7.
FLASHCARD QUESTION
Front
What is the role of the active site in enzyme function?
Back
The active site is the region on the enzyme where the substrate binds and the reaction occurs.
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