These macromolecules are polar [polar: having different ends] because they are formed by head to tail condensation of polar monomers. Let's look at the three major classes of macromolecules to see how this works, and let's begin with carbohydrates.
Bostwick Steel Lath Company advertisement for steel truss loop type metal lath in 1920. A lath or slat is a thin, narrow strip of straight-grained wood used under roof shingles or tiles, on lath and plaster walls and ceilings to hold plaster, and in lattice and trellis work.
From Wikipedia, the free encyclopedia. Broth is a liquid food preparation, typically consisting of water, in which bones, meat, fish, cereal grains, or vegetables have been simmered. Broth is used as a basis for other edible liquids such as soup, gravy, or sauce.n Britain, a broth is defined as a soup in which there are solid pieces of meat or fish, along with some vegetables. A broth is usually made with a stock or plain water as its base, with meat or fish added while being brought to a boil, and vegetables added later.