Membrane Transport — 2D Cross-Section

Passive diffusion, facilitated (saturating) transport, and the ATP-driven Na⁺/K⁺ pump

Transport mode

Channels / pump units — 4

Side A (outside) concentration — 80 mM

Side B (inside) concentration — 20 mM

Rate — 1.0×

Conc. A (outside)

80 mM

Conc. B (inside)

20 mM

Net flux (A→B)

0.0 mM/s

ATP consumed