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11 Cards in this Set
- Front
- Back
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What do electron miscroscopes use to focus and magnify an image?
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electron beams
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What does prokaryotes lack?
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a nucleus
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Who was one of the people to identify and see cork cells?
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Robert Hooke
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What is an organism a prokaryotes
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bacteria
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What scientist first described lving cells as seen through a simple microscope?
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Van Leeuwenhoek
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How is the work of Schleiden and Schwann summariezed?
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All plants and animals are made of cells
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What cell contains a nucleus?
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eukaryotic cell
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What are the main ideas of the cell theory?
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1. all organisms are composed of cells
2 the cells come from preexisting cells 3. all cells come from preeisting cells |
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What one advantage of electron microscopes over light microscopes?
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higher magnification
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What contains a nucleus?
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eukaryotes
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What are all living things made up of?
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cells
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