What are macromolecules?
Macromolecules and enzymes

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Biology, Science
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Large, complex molecules that are essential for life, including carbohydrates, proteins, lipids, and nucleic acids.
2.
FLASHCARD QUESTION
Front
What is the role of enzymes in biological reactions?
Back
Enzymes act as catalysts to speed up chemical reactions by lowering the activation energy.
3.
FLASHCARD QUESTION
Front
What is a substrate?
Back
The reactant molecule upon which an enzyme acts.
4.
FLASHCARD QUESTION
Front
What is a product in a chemical reaction?
Back
The substance that is produced as a result of a chemical reaction.
5.
FLASHCARD QUESTION
Front
Define activation energy.
Back
The minimum amount of energy required for a chemical reaction to occur.
6.
FLASHCARD QUESTION
Front
What is the lock and key model of enzyme action?
Back
A model that explains how enzymes and substrates fit together perfectly, like a key fits into a lock.
7.
FLASHCARD QUESTION
Front
What factors can affect enzyme activity?
Back
Temperature, pH, substrate concentration, and the presence of inhibitors or activators.
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