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Chapter 3
Cell Structure and Function
5
Biology
Undergraduate 1
09/22/2010

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Term
organelles
Definition
small, often membranous structure in the cytoplasm having a specific structure and function.
Term
cell theory
Definition
states that all organisms are made up of the basic living units called cells, and that all cells come only from previously existing cells.
Term
prokarotic cells
Definition
cells classified by absence of a membrane-bound nucleus
Term
plasma membrane
Definition
living boundary that spearates the living contents of the cell from the nonliving surrounding environment. Consists of a phospholivpid bilayer in which some protein molecules are imbedded
Term
cytoplasm
Definition
inside the cell. semifluid medium. composed of water, salts, amd diossovled organic molecules
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