Chapter 7 / Chapter 8 Membrane Structure and Function.

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Presentation transcript:

Chapter 7 / Chapter 8 Membrane Structure and Function

Phospholipid: Chapter 7 / Chapter 8 Membrane Structure and Function

Phospholipid bilayer: Chapter 7 / Chapter 8 Membrane Structure and Function

Fluid mosaic model: Chapter 7 / Chapter 8 Membrane Structure and Function

Fluid mosaic model: Chapter 7 / Chapter 8 Membrane Structure and Function Protein “islands” float in the phospholipid bilayer Cholesterol reduces fluidity Unsaturated phospholipids increase fluidity.

Fluid mosaic model: Chapter 7 / Chapter 8 Membrane Structure and Function Integral proteins – embedded in the lipid bilayer Peripheral proteins – attached to surfaces.

Functions: Chapter 7 / Chapter 8 Membrane Structure and Function Transport Enzymatic activity Signal transduction Cell-cell recognition (CHO) Intercellular joining Attachment to matrix.

Synthesis: Chapter 7 / Chapter 8 Membrane Structure and Function Manufactured in the ER Modified in the ER and Golgi apparatus Inside ≠ outside.

Permeability: Chapter 7 / Chapter 8 Membrane Structure and Function Hydrophobic – goes right through Hydrophilic – needs transport proteins.

Permeability: Chapter 7 / Chapter 8 Membrane Structure and Function

Transport: Chapter 7 / Chapter 8 Membrane Structure and Function Passive transport (diffusion) Facilitated diffusion Active transport Cotransport.

Passive transport: ::::::::: :::::::::::: ::::::::::: :::::::::: Chapter 7 / Chapter 8 Membrane Structure and Function

Passive transport: ::::::::: :::::::::::: ::::::::::: :::::::::: Chapter 7 / Chapter 8 Membrane Structure and Function

Passive transport: ::::::::: :::::::::::: ::::::::::: :::::::::: Chapter 7 / Chapter 8 Membrane Structure and Function

Facilitated diffusion: :::::::::( ):::::::::::::::::::::::[ ]::::::::: Chapter 7 / Chapter 8 Membrane Structure and Function

Facilitated diffusion: :::::::::( ):::::::::::::::::::::::[ ]::::::::: Chapter 7 / Chapter 8 Membrane Structure and Function

Facilitated diffusion: :::::::::( ):::::::::::::::::::::::[ ]::::::::: Chapter 7 / Chapter 8 Membrane Structure and Function

Facilitated diffusion: :::::::::( ):::::::::::::::::::::::[ ]::::::::: Chapter 7 / Chapter 8 Membrane Structure and Function

Facilitated diffusion: :::::::::( ):::::::::::::::::::::::[ ]::::::::: Chapter 7 / Chapter 8 Membrane Structure and Function

Facilitated diffusion: :::::::::( ):::::::::::::::::::::::[ ]::::::::: Chapter 7 / Chapter 8 Membrane Structure and Function

Facilitated diffusion: :::::::::( ):::::::::::::::::::::::[ ]::::::::: Chapter 7 / Chapter 8 Membrane Structure and Function

Facilitated diffusion: :::::::::( ):::::::::::::::::::::::[ ]::::::::: Chapter 7 / Chapter 8 Membrane Structure and Function

Facilitated diffusion: :::::::::( ):::::::::::::::::::::::[ ]::::::::: Chapter 7 / Chapter 8 Membrane Structure and Function

Facilitated diffusion: :::::::::( ):::::::::::::::::::::::[ ]::::::::: Chapter 7 / Chapter 8 Membrane Structure and Function

Active transport: :::::::::::::::::::::::::::::::::::::::::::::::: Chapter 7 / Chapter 8 Membrane Structure and Function

Active transport: :::::::::::::::::::::::::::::::::::::::::::::::: Chapter 7 / Chapter 8 Membrane Structure and Function

Active transport: :::::::::::::::::::::::::::::::::::::::::::::::: Chapter 7 / Chapter 8 Membrane Structure and Function

Active transport: :::::::::::::::::::::::::::::::::::::::::::::::: Chapter 7 / Chapter 8 Membrane Structure and Function

Active transport: :::::::::::::::::::::::::::::::::::::::::::::::: Chapter 7 / Chapter 8 Membrane Structure and Function

Active transport: :::::::::::::::::::::::::::::::::::::::::::::::: Chapter 7 / Chapter 8 Membrane Structure and Function

Active transport: :::::::::::::::::::::::::::::::::::::::::::::::: Chapter 7 / Chapter 8 Membrane Structure and Function

Cotransport: :::::::::::::::::::::::::::::::::::::::::::::::: Chapter 7 / Chapter 8 Membrane Structure and Function

Cotransport: :::::::::::::::::::::::::::::::::::::::::::::::: Chapter 7 / Chapter 8 Membrane Structure and Function

Cotransport: :::::::::::::::::::::::::::::::::::::::::::::::: Chapter 7 / Chapter 8 Membrane Structure and Function

Cotransport: :::::::::::::::::::::::::::::::::::::::::::::::: Chapter 7 / Chapter 8 Membrane Structure and Function

Cotransport: :::::::::::::::::::::::::::::::::::::::::::::::: Chapter 7 / Chapter 8 Membrane Structure and Function

Cotransport: :::::::::::::::::::::::::::::::::::::::::::::::: Chapter 7 / Chapter 8 Membrane Structure and Function

Cotransport: :::::::::::::::::::::::::::::::::::::::::::::::: Chapter 7 / Chapter 8 Membrane Structure and Function

Exocytosis and endocytosis: Chapter 7 / Chapter 8 Membrane Structure and Function

Exocytosis and endocytosis: Chapter 7 / Chapter 8 Membrane Structure and Function

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