Biology 1406 Chapter 5 Macromolecules exam 1 Already Passed!!

What are the four most important large molecules of all living things? - Carbs, lipids, proteins and nucleic acids What is a macromolecule? - A giant molecule formed by the joining of smaller molecules. What is a polymer? - A long macromolecule consisting of many monomers What is a monomer? - repeating units that serve as the building blocks of a polymer What three macromolecules are considered polymers? - Proteins, carbs and nucleic acids Monomers are inked together by? - Covalent Bonds What is an enzyme? - Special macromolecules that speed up chemical reactions What is dehydration reaction? - the chemical reaction in which two molecules become covalently bonded to each other with the loss of a water molecule. What is another name for dehydration reaction? - Condensation What is hydrolosis? - the reverse of dehydration reaction. the bond between momoners is broken by the addition of a water molecule. What three elements are Carbohydrates composed of? - Carbon, Oxygen and Hydrogen The ratio of hydrogen and oxygen in carbs is? - hydrogen 2 and oxygen 1 or 2 to 1 ratio