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Cell Membrane by Mind Map: Cell Membrane
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Cell Membrane

Structure

Fluid Mosaic Model

Cholesterol, Fluidity, found only in animal cells, Warm - less fluid, Cold - more fluid

Phospholipids, Polar Head, Hydrophillic, Non-polar Tails, Hydrophobic

Associated Proteins, Integral, Inside Membrane, Periphrial, Not inside

Glycoproteins, Cell to Cell Identification

Glycolipids, Cell to Cell Identification

Function

Selective Permability

Non-polar Molecules, Pass through membrane

Ions, Transport Proteins

Polar Molecules, Transport Proteins

Associated Proteins

Transport

Signaling

Enzymatic Activity

Cell to Cell regonition

Cell to Cell joining

Attachment of cytoskeleton and extracellular matrix

Transport

Concentration Gradient

High to Low, Passive, No Energy Used, Facilitated, "Facilitated" by proteins, Difussion, Simply passes though, Osmosis, Water only

Low to High, Active, Energy Used (ATP)

Tonicity

Hypertonic, More solute; less solvent

Hypotonic, Less solute; more water

Isotonic, Equal concentrations

Endocytosis

Phagocytosis, "Cell eating"

Pinocytosis, "Cell drinking"

Exocytosis

Waste and products exit cell