Turbines. Invented by Charles Parsons. I know I'm in middle school, but we are just learning about hydroelectric power.
Viruses are not considered living because they cannot survive without a host organism, and they do not exhibit the characteristics of life.
Some plants cant survive.
Cation-exchange chromatography is used when the molecule of interest is positively charged, the stationary phase is negatively charged and positively charged molecules are loaded to be attracted to it. So, the amino acids with negative charge will elute the first. Glutamate, leucin, arginine is the order of elution because of their pI values ~3, ~6 ~10.
Where the picture but,The Plasma membrane maintains the homeostasis throughout a cell because it <span>filters what substances go in and out of the cell. </span>