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Ch 17.1

TermDefinition
Cells the smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane. Microscopic organisms typically consist of a single cell, which is eukaryotic or prokaryotic
Anton Von Leeuwenhoek Used the simple light microscope to view objects in the 1600s
Robert Hooke English philosopher, microscopist, and physicst
Prokaryotes The prokaryotes are a group of organisms whose cells lack a membrane-bound nucleus.
Eukaryotes A eukaryote is any organism whose cells contain a nucleus and other structures enclosed within membranes.
Eyepiece Lens where you look to examine the object
Objectives Nobs on microscope that help with magnification
Nosepiece Where objectives attach
Coarse adjustment Knob used to make large change to make object clearer
Fine adjust.ment Know used to make small change to make object clearer
Diaphragm Controls how much light is available
Stage Where the object rests
Cell theory 1 all organisms composed of cells 2 cell is basic structure of all organisms
Created by: Austenkelsall
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