The permeability of biological membranes is a key determinant of drug pharmacokinetics. Historically, passive diffusion through the lipid bilayer portion of a biological membrane was suggested as the ...

Vascular plants rely on differences in osmotic pressure to export sugars from regions of synthesis (mature leaves) to sugar sinks (roots, fruits). In this process, known as Münch pressure flow, the ...

Get this engaging resource to teach your next active and passive transport unit. The resource will provide your students the opportunity to: Read and gain knowledge about active and passive transport.