<span>the deliberate modification of the characteristics of an organism by manipulating its genetic material.</span>
The ozone later; chlorofluorocarbons
Osmosis is the diffusion of water across a semi-permeable (or differentially permeable or selectively permeable) membrane. The cell membrane, along with such things as dialysis tubing and cellulose acetate sausage casing, is such a membrane. The presence of a solute decreases the water potential of a substance.
