Cell Membrane and Transport Basics

Front

Cell Membrane

Back

Phospholipid bilayer

Front

Phospholipid Head

Back

Hydrophilic

Front

Phospholipid Tail

Back

Hydrophobic

Front

Membrane Proteins

Back

Channels or gates that allow molecules to pass through the membrane

Front

Passive Transport

Back

No energy required

Front

Diffusion

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Movement from high to low concentration

Front

Osmosis

Back

Diffusion of water

Front

Facilitated Diffusion

Back

Uses transport proteins

Front

Active Transport

Back

Requires energy (ATP)

Front

Endocytosis

Back

Taking in large molecules