Electron Microscope cell theory Review

The ___ is the basic unit of structure and function of organisms

• Atom
• Cell
• Matter
• All of these

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Which statement is a part of the cell theory?

• All cells come from preexisting cells
• Bacteria are prokaryotic cells
• Eukaryotic cells are complex
• Humans are multicellular

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The Cell Theory states...

• Atoms create all matter
• Living things evolve
• The cell is the backbone of all matter
• Cells are the basic unit of structure and organization of organisms

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According to cell theory, where did this cell come from?

• Another living cell
• Energy from sun
• A multicellular organism
• The nonliving environment

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Which microscope delivers the highest overall magnification possible?

• Scanning Electron (SEM)
• Transmission Electron Microscope (TEM)
• Light Microscope
• Dissecting Microscope

Electron microscopes use a beam of _________________ to produce an image magnified up to 100,000 or more

• Sunlight
• Lasers
• Electrons

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Which of the following is a disadvantage of both the TEM and SEM?

• Low magnification
• Cannot observe living specimens
• High resolution

Which of the following scientists concluded that all animals are made of cells?

• Rudolf Virchow
• Matthais Schleiden
• Robert Hooke
• Theodor Schwann

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This botanist looked at plant cells.

• Schwann

• Schleiden

• Brown

• Baur

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This scientist named the nucleus.

• Brown

• Baur

• Galileo

• Virchow