Choose one and only one of the macromolecules from the list given below to research and write on:CarbohydratesProteinsLipidsDescribe the structure of the macromolecule you chose. For what purpose do cells or living things use this macromolecule? Have you ever eaten this macromolecule, if so, in what form, give two or three examples? What purpose do you think this macromolecule serve in the human body? How much energy is in one gram of this macromolecule?