CSEC Human And Social Biology Practice Questions - CXC CSEC Human And Social Biology Exam

The movement of water molecules from a region of low solute concentration to high solute concentration across a semi-permeable membrane. The net movement of particles from a region of higher concentration to a region of lower concentration down a concentration gradient. The movement of particles against a concentration gradient using energy in the form of ATP. The bulk transport of solid particles into a cell via vesicle formation.