Cell Theory and Types of Microscopes

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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 made of cells, 2) Cells are the basic unit of life, and 3) All cells come from pre-existing cells.

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Who is credited with naming the cell?

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Robert Hooke is credited with naming the cell after observing cork under a microscope.

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What type of microscope is used to view the surface of a specimen in 3D?

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A Scanning Electron Microscope (SEM) is used to view the surface of a specimen in 3D.

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What is the main difference between a theory and a law in science?

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A theory explains why something happens, while a law describes what happens under certain conditions.

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What type of microscope would you use to see a living organism in detail?

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A Compound Light Microscope is typically used to see living organisms in detail.

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What is the magnification power of a Scanning Electron Microscope?

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A Scanning Electron Microscope can achieve magnifications of up to 500,000X.

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What is the function of chloroplasts in cells?

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Chloroplasts are organelles in plant cells that conduct photosynthesis, converting light energy into chemical energy.

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What is the primary function of a Transmission Electron Microscope?

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A Transmission Electron Microscope (TEM) is used to view the internal structure of thin specimens at high magnification.

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What are the two main types of microscopes?

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The two main types of microscopes are light microscopes (e.g., Compound Light and Dissecting) and electron microscopes (e.g., Scanning and Transmission Electron Microscopes).

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What is the significance of Robert Brown in cell biology?

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Robert Brown is known for discovering the nucleus in plant cells.