Some organisms that normally live in pond water contains water pumps. these pumps continually pump water out of the cell. describe a scenario that might reverse the action of the pump.

What causes temperature extremes in the desert

Which statement is the best summary of the model? a-a series of aerobic and anaerobic reactions take place in cells b- the sun's energy moves through trophic levels in a food chain c-light energy is converted into stored chemical energy plants.d- food molecules are broken down in the cells if living things.

This is an active transport mechanism by which cells pump sodium and potassium ions against the concentration gradient