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Ch. 7.2 - The Plasma Membrane
Ch. 7.2 - The Plasma Membrane
6
Biology
10th Grade
01/04/2012

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Term
plasma membrane
Definition
the boundary between the cell and its environment
Term
homeostasis
Definition
the process of maintaining balance in the cell's environment
Term
selective permeability
Definition
a process in which the plasma membrane of a cell allows some molecules into the cell while keeping others out
Term
phospholipid
Definition
a phosphate group with two lipid tails attached to it
Term
fluid mosiac model
Definition
the model of the plasma membrane; it is fluid b/c the plasma membrane is flexible and mosaic b/c of the proteins embedded in it
Term
transport protein
Definition
this protein allows needed substances or waste materials to move through the plasma membrane
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