Cultured marble is less expensive and is made from real chips of natural marble embedded in plastic. It's available in sheet form and in standard counter dimensions of 19 and 22 inches deep. Cultured marble comes with or without a wash basin molded into it, for $50 to $80 per running foot, installed.
The Chemistry of Biology: Proteins. Proteins. Proteins are organic compounds that contain the element nitrogen as well as carbon, hydrogen, and oxygen. Proteins are the most diverse group of biologically important substances and are often considered to be the central compound necessary for life.
The role and need for protein is a much misunderstood topic in our society. In this article you will learn how to better understand the role of protein in your diet. First, let me provide you with a rather technical definition of a protein. A protein is any one of a group of complex organic, nitrogenous compounds, which form the principal constituents of the cell protoplasm. In other words, proteins make up the guts of the cells that are the building blocks of our body.