Communication & Crossing Membranes 0.0 / 5 ? BiologyCellular processesASOCR Created by: FarhinCreated on: 04-11-13 17:56 Cell Signalling Communication between cells using signals 1 of 17 Target Cells / Organs Organs / Cells that respond to particles / molecules 2 of 17 Simple Diffusion Molecules cross membrane without any help 3 of 17 Facilitated Diffusion Molecules cross the molecule with the help of protiens 4 of 17 What Is The Rate Affected By? Temperature, Concentration Gradient, Stirring / Movement, Surface Area, Distance, Size Of Molecule 5 of 17 Diffusion Movement Of Molecules From Area Of High Concentration To An Area Of Low Concentration 6 of 17 Why Is Diffusion Passive? All Molecules Have Their Own Kinetic Energy 7 of 17 Which Molecules Move During Facilitated? Charged Or Large Molecules 8 of 17 Channel Protein Pore That Spans The Membrane 9 of 17 Carrier Protein Protein Changes Shape To Let Molecule Through 10 of 17 Active Transport Movement Of Molecules Against Concentration Gradient 11 of 17 Why Is ATP Used? Protein Changes Shape Going Against Concentration Gradient Which Both Need Energy 12 of 17 What Is Bulk Transport? Movement Of Large Molecules / Group Of Molecules 13 of 17 Endocytosis Movement Of Molecules Into The Membrane 14 of 17 Exocytosis Movement Of Molecules Out Of The Membrane 15 of 17 Pino Liquid Substance 16 of 17 Phago Solid Substance 17 of 17
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