... active transport', which requires a specialised carrier molecule, as well as a source of energy. Osmosis Osmosis is a special type of diffusion. It is the movement of water molecules from a weak solution to a strong solution. Osmosis involves water diffusing through a semi-permeable membrane. This process will continue on until the solutions on either side of the membrane are of equal concentration. If the internal ... the cell surroundings have a greater concentration, then water disperses from the cell. When unequal solute concentrations in aqueous solutions are on either side of semi...

• Word Count: 1290
• Approx Pages: 5
• Has Bibliography
• Grade Level: Undergraduate

... and if two surgeons are both working at the same time, two trays must be used. All blood should be cleaned from the patient's skin after the operation using an aqueous solution of 0.05% w/v chlorhexidine or 0.5% cetrimide. Instruments for reuse should, as soon as possible after use, be put into hot water and detergent to prevent congealing or solidifying of blood and ... ...

• Word Count: 825
• Approx Pages: 3
• Has Bibliography
• Grade Level: Undergraduate