When water is diffusing into and out of a cell at an equal rate the solution outside the cell is called

Amylase is an enzyme found in the human digestive system. why do you think it was important to keep the enzyme temperature above 37 degrees celsius (98.6 degrees f)? describe what might happen if the temperature decreased by 10 degrees celsius.

Which beat describes the brain stem

What do all celular activities in living organisms use as a source of energy?