Cell Membrane Transport

Front

Cell membrane description:

Back

Protective outer layer controlling entry/exit.

Front

Bilayer definition

Back

Two layers

Front

Embedded in the lipid bilayer:

Back

Proteins

Front

Regulating what enters and leaves the cell helps maintain homeostasis.

Back

True

Front

Particles in a given space.

Back

concentration

Front

Concentration of particles inside a cell equals outside.

Back

equilibrium

Front

Process allowing water to pass through cell membrane from high to low concentration.

Back

osmosis

Front

Movement of molecules from high to low concentration.

Back

Diffusion

Front

Energy use for material movement across a membrane (low to high concentration).

Back

Active transport

Front

Material transport across a cell membrane without energy (high to low concentration)

Back

Passive transport