Biochemical tests and use of media allow physicians to identify
the type of bacteria causing a disease (such
as whether its gram+ or gram-) and use appropriate
antibiotic effective against the bacteria. Another clinical significance is to
determine the resistance of bacteria to antibiotics (this is conducted using susceptibility tests).
Wind water and ice roads and shape the land. Volcanic activity and earthquakes alter the landscape in a dramatic and often violent manner. And on a much longer time scale, the movement of earths plates slowly reconfigures oceans and continents. Each one of these processes plays a role in the Arctic and Antarctica.
Mitosis never stops in most of the cells of our body like "Gastrointestinal tract", "that give rise to blood cells" etc.
But, it stops after the death of the body.
Hope this helps!
