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MrL Bio 7-1 Vocab
ch. 7, sect. 1 vocab
7
Biology
10th Grade
11/03/2009

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Term
eukaryotic cell
Definition
unicellular organism with membrane bound nucleus and organelles
Term
cell theory
Definition
states that 1)organisms are made of one or more cells 2) cells are the basic unit of life 3) all cells come only from other cells
Term
nucleus
Definition
the central membrance bound organelle that manages cellular functions and contains DNA
Term
organelle
Definition
specialized internal cell structure that carries out specific cell functions such as protein synthesis and energy transformation
Term
cell
Definition
basic unit of structure and organization of all living organisms
Term
plasma membrane
Definition
flexible, selectively permeable boundary that helps control what enters and leaves a cell
Term
prokaryotic cell
Definition
microscopic, unicellular organism without a nucleus or other membrane bound organelles
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