Unit 1: Macromolecules Review 2023

Flashcard
•
Biology
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a macromolecule?
Back
A macromolecule is a large, complex molecule, such as proteins, nucleic acids, carbohydrates, and lipids, that are essential for life.
2.
FLASHCARD QUESTION
Front
What are the four main types of macromolecules?
Back
The four main types of macromolecules are carbohydrates, lipids, proteins, and nucleic acids.
3.
FLASHCARD QUESTION
Front
What is the primary function of enzymes?
Back
Enzymes act as catalysts to speed up chemical reactions in biological processes.
4.
FLASHCARD QUESTION
Front
What happens to an enzyme when it is denatured?
Back
When an enzyme is denatured, its active site changes shape, preventing it from binding to its substrate and slowing down or stopping the reaction.
5.
FLASHCARD QUESTION
Front
What is activation energy?
Back
Activation energy is the minimum amount of energy required to start a chemical reaction.
6.
FLASHCARD QUESTION
Front
How do temperature and pH affect enzyme activity?
Back
Enzyme activity can be affected by temperature and pH; each enzyme has an optimal temperature and pH at which it functions best.
7.
FLASHCARD QUESTION
Front
What is a carbohydrate?
Back
A carbohydrate is an organic compound made of carbon, hydrogen, and oxygen, typically in a ratio of 1:2:1, and serves as a primary energy source.
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