1.simple sugar
2.a simple protein
3.fatty acids
4.amino acids

Polar zones are cold and tend to be dry because of a pressure system of cold. low high

Ihave made a synthetic cell by placing a solution that is 10% sodium chloride inside a semipermeable membrane through which water can pass but not sodium chloride. if i place this cell into a solution that is 20% sodium chloride what will happen to the size of the cell? will it increase, decrease, or stay the same in size?

An infection of the pulp and the surrounding tissue in the mouth is called