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7 Cards in this Set
- Front
- Back
Anton van Leeuwenhoek
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1600’s.
First to use a microscope to study nature. Saw microorganisms in pond water. |
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Robert Hooke
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Mid 1600’s.
First to look a plant (cork) under a microscope. First to see and name “cells”. |
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The Cell Theory
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All living are composed of cells.
Cells are the basic units of structured & function in living things. New cells are produced from existing cells. |
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Basic Cell Structures
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Cell Membrane: thin, flexible barrier around the cell
Cell Wall: strong layer some cells have around their cells have around their cell membrane Nucleus: a large structure some cells have that contain genetic material & control cellular activities Cytoplasm: everything |
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Two Main Divisions of Cells
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Prokaryotic Cells
Eukaryotic Cells |
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Prokaryotic Cells
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Small & simple
Have cell membrane & cytoplasm No nucleus or organelles Most bacteria are prokaryotic |
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Eukaryotic Cells
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Large & more complex
Have cell membrane & cytoplasm |