Communication & Crossing Membranes

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  • Created by: Farhin
  • Created on: 04-11-13 17:56
Cell Signalling
Communication between cells using signals
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Target Cells / Organs
Organs / Cells that respond to particles / molecules
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Simple Diffusion
Molecules cross membrane without any help
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Facilitated Diffusion
Molecules cross the molecule with the help of protiens
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What Is The Rate Affected By?
Temperature, Concentration Gradient, Stirring / Movement, Surface Area, Distance, Size Of Molecule
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Diffusion
Movement Of Molecules From Area Of High Concentration To An Area Of Low Concentration
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Why Is Diffusion Passive?
All Molecules Have Their Own Kinetic Energy
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Which Molecules Move During Facilitated?
Charged Or Large Molecules
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Channel Protein
Pore That Spans The Membrane
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Carrier Protein
Protein Changes Shape To Let Molecule Through
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Active Transport
Movement Of Molecules Against Concentration Gradient
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Why Is ATP Used?
Protein Changes Shape Going Against Concentration Gradient Which Both Need Energy
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What Is Bulk Transport?
Movement Of Large Molecules / Group Of Molecules
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Endocytosis
Movement Of Molecules Into The Membrane
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Exocytosis
Movement Of Molecules Out Of The Membrane
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Pino
Liquid Substance
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Phago
Solid Substance
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Other cards in this set

Card 2

Front

Organs / Cells that respond to particles / molecules

Back

Target Cells / Organs

Card 3

Front

Molecules cross membrane without any help

Back

Preview of the back of card 3

Card 4

Front

Molecules cross the molecule with the help of protiens

Back

Preview of the back of card 4

Card 5

Front

Temperature, Concentration Gradient, Stirring / Movement, Surface Area, Distance, Size Of Molecule

Back

Preview of the back of card 5
View more cards

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