Cell Theory, Macromolecules, and Cell Organelles

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What is Cell Theory?

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Cell Theory is a fundamental concept in biology that states: 1) All living things are composed of cells. 2) Cells are the basic unit of life. 3) All cells come from pre-existing cells.

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What are macromolecules?

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Macromolecules are large, complex molecules that are essential for life. They include carbohydrates, lipids, proteins, and nucleic acids.

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What are carbohydrates?

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Carbohydrates are macromolecules made up of one or more sugar molecules. They serve as a primary energy source for living organisms.

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What are the main types of macromolecules?

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The main types of macromolecules are carbohydrates, lipids, proteins, and nucleic acids.

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What is the function of mitochondria?

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Mitochondria are organelles that break down energy from food to produce ATP, the energy currency of the cell.

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What is the function of chloroplasts?

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Chloroplasts are organelles found in plant cells that convert sunlight into energy through photosynthesis.

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What is the difference between prokaryotic and eukaryotic cells?

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Prokaryotic cells do not have a nucleus or membrane-bound organelles, while eukaryotic cells have a nucleus and membrane-bound organelles.

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What are examples of prokaryotic cells?

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Bacteria are examples of prokaryotic cells.

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What are examples of eukaryotic cells?

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Plant and animal cells are examples of eukaryotic cells.

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What is a cell membrane?

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The cell membrane is a protective barrier that surrounds the cell, controlling what enters and exits.