Enzymes

Flashcard
•
Science
•
12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What are enzymes?
Back
Enzymes are biological catalysts that speed up chemical reactions in living organisms by lowering the activation energy required for the reaction.
2.
FLASHCARD QUESTION
Front
What factors can change the shape of an enzyme?
Back
Excessive heat and changes in pH can denature enzymes, altering their shape and function.
3.
FLASHCARD QUESTION
Front
What is the primary function of enzymes in biological systems?
Back
The primary function of enzymes is to catalyze chemical reactions, facilitating processes such as digestion and metabolism.
4.
FLASHCARD QUESTION
Front
What happens to enzymes when they are exposed to high temperatures?
Back
High temperatures can alter the shape of enzymes, leading to denaturation and loss of function.
5.
FLASHCARD QUESTION
Front
What is activation energy?
Back
Activation energy is the minimum energy required for a chemical reaction to occur.
6.
FLASHCARD QUESTION
Front
How do enzymes affect activation energy?
Back
Enzymes lower the activation energy needed for a reaction, allowing it to proceed more quickly.
7.
FLASHCARD QUESTION
Front
What is a substrate in the context of enzyme activity?
Back
A substrate is the reactant molecule upon which an enzyme acts.
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