Proteins, from the Greek proteios, meaning first, are a class of organic compounds which are present in and vital to every living cell. In the form of skin, hair, callus, cartilage, muscles, tendons and ligaments, proteins hold together, protect, and provide structure to the body of a multi-celled organism. In the form of enzymes, hormones, antibodies, and globulins, they catalyze, regulate, and protect the body chemistry.
Definition of long division for Students. : division in arithmetic that involves several steps that are written out.
Long Division. Below is the process written out in full. You will often see other versions, which are generally just a shortened version of the process below. You can also see this done in Long Division Animation. Let's see how it is done with: the number to be divided into is called the dividend.