Shared Flashcard Set

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1Tools and Procedures
N/A
7
Biology
9th Grade
08/31/2011

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Cards

Term
metric system
Definition
decimal system of measurments that is scaled on mulitples of 10
Term
light microscopes
Definition
produce magnified images by focusing visible light rays
Term
electron microscopes
Definition
produce magnified images by focusing beams of electrons used to study really small objects
Term
compound light microscope
Definition
allow light to pass through the specimen and use two lenses to form an image.. most commonly used
Term
cell culture
Definition
transferring bacteria to a solid that contains nutrients, which will enable the bacteria to reproduce
Term
cell fractionation
Definition
to seperate the different cell parts and add them to a liquid and place it in a tube and then the tube is inserted into a centrifuge
Term
centrifuge
Definition
an instrument that can spin the tube containing cell parts
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