Dark Stool: If your stool is black or bright red in color, it can mean that you are bleeding internally, as a possible result of an ulcer or cancer, and warrants a call to your doctor even if you think it could be hemorrhoids, or tiny tears in the anal tissue, due to constipation and straining.
The chemical reaction in which high molecular mass molecules are formed from monomers is known as polymerization. There are two basic types of polymerization, chain-reaction (or addition) and step-reaction (or condensation) polymerization.
All of the organic compounds we will study are examples of polymers. A polymer is a large chemical compound composed of smaller repeating units --- over & over & over again. Like a long choo-choo train is made up of smaller connected, repeating, choo-choo cars. The chemical process that connectsthe smaller subunits to form large organic compounds is called dehydration synthesis.