Facilitated Diffusion

Simple Diffusion

G1 - Transport (Mammals)

G2 - Transport (Mammals)

G4 - Transport (Plants)

H2 - Gas Exchange

K - Ecology

Osmosis

G3 - Transport (Plants)

Active Transport

E - Cell and Nuclear Division

I2 - Infectious Disease

I1 - Infectious Disease

J1 - Immunity

1 Movement of Substances Across the Plasma Membran

H1 - Gas Exchange

D - Cell Membranes and Transport

B - Biological Molecules

A - Cell Structure and Organisation

F1 - Genetic Control