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7.1 Vocab

Sabrina Butz

TermDefinition & Example
Cells Basic unit of all organisms; all living things are composed of cells. Example: The cell of a cat
Anton Von Leeuwenhoek Created the microscope.
Robert Hooke Discovered cells from examining a piece of cork.
Cell Theory 1 The theory that (1) all organisms are composed of one or more cells, (2) the cell is the basic unit of structure and organization of organisms, (3) all cells from come from preexisting cells.
Prokaryotes Unicellular organisms that are composed of a prokaryotic cell. Procaryotic cells lack internal membrane-bound structures. Example: Bacteria
Eukaryotes Unicellular or multicellular organisms composed of eukaryotic cells, which contain a true nucleus. Example: Yeast, plants, animals.
Eyepiece Contain magnifying lenses to look through on a microscope.
Objectives Contain lenses that are at different magnifications on a microscope.
Nosepiece The part of a microscope that the objectives are attached to.
Coarse Adjustment Focuses images on low power magnification on a microscope.
Fine Adjustment Sharpens image under high powered magnification on a microscope.
Diaphragm Regulates the amount of light that passes through the specimen on a microscope.
Stage Platform used to support the microscope slide.
Cell Theory 2 Created by Matthias Schleiden, and Theodor Schwann. Example: Every organism that we know of.
Created by: Brinabean
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