Standard Biology

Standard BiologyChapter 7 Part IIICell Transport

Two Basic Types of TransportPassive TransportRequires no energySolute or ions follow a concentration gradientActive TransportRequires energySubstances move against a concentration gradientBulk Transport

DiffusionDiffusion

Diffusion in the Cell

Simple Diffusion

Simple Diffusion - Osmosis

Simple Diffusion - Osmosis

Diffusion Through Proteins

Channel Proteins - TunnelCarrier Proteins Revolving Door (Facilitated Diffusion)Ion Channels & Carrier Proteins

Active TransportPumps

Bulk Transport

Pumps

Bulk Transport

Phagocytosis

Pinocytosis