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.
Division of Integers. Division of integers is the opposite operation of multiplying integers It is the process by which one is trying to determine how many times a number is contained into another. Say for instance you do 42 Ã· 6. You are trying to find out how many times 6 is contained into 42. Since 6 Ã 7 = 42, 6 is contained into 42 seven times.