Lecture 3 Membranes Proteins

Lecture 3 Membranes Proteins - Selectivity which ion flows...

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Chapter Five Lecture 3 Membrane Proteins
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Barrier isolates cell (impermeable) Chemically Physically Regulates exchange (semipermeable) Cell communication Cell Membranes: Overview
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Figure 5-6 Membrane Permeability
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Figure 5-9 - Overview Ion Transport Across the Cell Membrane
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Figure 5-4
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Uses transport proteins Passive Diffusion to Equilibrium Facilitated Diffusion Figure 5- 21: Diffusion stops at equilibrium (panoramic lower left 66%)
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Facilitated Diffusion
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Figure 5-12 - Overview Carriers: Uniport and Co-Transport
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Figure 5-13b
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Primary Active Transport: ATP Dependent
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Figure 5-16 Primary Active Transport
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Figure 5-17 - Overview The Sodium-Potassium ATPase Pump
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Table 5-2
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Figure 5-18 - Overview Secondary Active Transport
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Table 5-3
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Channel properties
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Unformatted text preview: Selectivity which ion flows through pore Conductance how fast ions can flow Gating open or closed Voltage Ligand Chemical Neurotransmitter Mechanical Deformation Channel Proteins: Figure 5-10 Figure 5-11 Channel Proteins: Gating Figure 5-9: Gating of channel proteins Voltage-gated channels: Sodium Channel Voltage Gated Sodium Channels Voltage-gated channels: Sodium Channel S4 Forms Voltage Sensor Voltage-gated channels: Sodium Channel Components of Voltage Gated Sodium Channel ACh ACh ACh ACh The Acetylcholine Receptor: A Ligand-Gated Channels: M2 SUBUNIT 1 2 3 4 ACh Ionotropic ACh, GABA, and Glycine Receptors extracellular intracellular Figure 5-7 (3 of 3)...
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This note was uploaded on 04/17/2008 for the course PGY 300 taught by Professor Krasney during the Spring '05 term at SUNY Buffalo.

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Lecture 3 Membranes Proteins - Selectivity which ion flows...

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