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Chapter 7 vocab
Emilie Thomas 2pd
| Definition | Term |
|---|---|
| Basic units of living organisms | Cells |
| Used in the 1600s,simple light microscope contained one lens and used lift to view objects | Anton Von Leeuwenhoek |
| Discovered cells | Robert Hooke |
| 1.all organisms are composed of one or more cells 2.the cell is a basic unit of structure and organization of organisms 3.all cells come from preexisting cells | Cell theory |
| No nucleus | Prokaryotes |
| Cells that have a nucleus | Eukaryotes |
| Lenses to look through | Eyepiece |
| Lenses that are focused using coarse adjustment | Objectives |
| Holds and turns the objectives into viewing postition | Nosepiece |
| Focuses image under low-power | Coarse adjustment |
| Sharpens image under high-power | Fine adjustment |
| Regulates amount of light that passes through Specimen | Diaphragm |
| Platform used to support microscope slide | Stage |