Chemical Reactions and Enzymes
Flashcard
•
Biology, Science
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a chemical reaction?
Back
A process where reactants are transformed into products through the breaking and forming of chemical bonds.
2.
FLASHCARD QUESTION
Front
What role do enzymes play in chemical reactions?
Back
Enzymes act as catalysts that speed up chemical reactions by lowering the activation energy required.
3.
FLASHCARD QUESTION
Front
What does it mean for an enzyme to denature?
Back
Denaturation is the process where an enzyme loses its functional shape due to extreme conditions, such as high temperature or extreme pH.
4.
FLASHCARD QUESTION
Front
What is the active site of an enzyme?
Back
The active site is the specific region on an enzyme where substrates bind and undergo a chemical reaction.
5.
FLASHCARD QUESTION
Front
What are substrates in the context of enzymes?
Back
Substrates are the reactants that enzymes act upon during a chemical reaction.
6.
FLASHCARD QUESTION
Front
What is the significance of the suffix '-ase' in enzyme names?
Back
The suffix '-ase' indicates that the molecule is an enzyme, such as lactase or amylase.
7.
FLASHCARD QUESTION
Front
How do temperature changes affect enzyme activity?
Back
Enzymes have an optimal temperature range; too high or too low temperatures can reduce their activity or denature them.
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