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Plasma Membrane (cell membrane) Flashcards

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8427518917Plasma membrane (cell membrane)Regulates what enters and leaves the cell and separates the internal environment of the cell from the external environment0
8427518918Fluid Mosaic ModelDescribes the following properties of the cell membrane: 1. cell membrane is fluid, flexible and moves. 2. cell membrane is composed of proteins, lipids and carbohydrates.1
8427518919Selectively permeableThe term to describe a cell membrane that allows some substances to pass, but not others2
8427518920BilayerThe cell membrane is made of two layers of lipid molecules.3
8427518921PhospholipidMakes up the cell membrane; has 1 head (hydrophilic) and 2 tails (hydrophobic)4
8427518922Polar Headpart of the phospholipid that is attracted to water.5
8427518923Non-Polar TailPart of the phospholipid that is not attracted to water.6
8427518924HydrophilicMeans "water lovings" Describes the heads (circle portion) of the phospholipids7
8427518925HydrophobicMeans water fearing. Describes the tails of the phospholipids8
8427518927Marker ProteinThis component of the cell membrane allows different cells in your body to identify each other.9
8427518932Channel proteinThis component of the cell membrane allows the transport of specific substances across a cell membrane.10
8427527582CholesterolThis component of the cell membrane provides stability and flexibility for the structure.11
8427535432Extracellular fluid and cytoplasmThis region around the cell membrane contains water.12

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