A stainless steel countertop. A countertop (also counter top, counter, benchtop, (British English) worktop, or (Australian English) kitchen bench) is a horizontal work surface in kitchens or other food preparation areas, bathrooms or lavatories, and workrooms in general. It is frequently installed upon and supported by cabinets.
Proteins, polysaccharides and nucleic acids are polymeric organic molecules built out of a very large number of repeating sub-units. The nucleic acids, double-helical DNA and single-stranded RNA are built
Biological polymers are large molecules composed of many similar smaller molecules linked together in a chain-like fashion. The individual smaller molecules are called monomers. When small organic molecules are joined together, they can form giant molecules or polymers. These giant molecules are also called macromolecules.