WGU C785 unit 2 Questions and Answers Rated A

Hydrogen bond Weak bond interaction Between two molecules amino group Consists of hydorgen and nitrogen atoms (-NH3+) macromolecules A giant molecule in a living organism formed by the joining of smaller molecules: a protein, carbohydrate, or nucleic acid. polymer a long molecule consisting of many similar or identical building blocks linked by covalent bonds Amino acid Amino group + Carboxylic acid + R group = Amino acid carboxyl group A -COOH group, found in organic acids. Coo-, O=C-OFour classes of biological macromolecules Proteins, carbohydrates, nucleic acids, lipids SPONCH Sulfur phosphorous oxygen nitrogen carbon hydrogenpolymer a long molecule consisting of many similar or identical monomers linked together by covalent bonds. R group a functional group that defines a particular amino acid that makes it a specific protein (20 amino acids) aka side chain Catalyst Speed up chemical reactions but remain unchanged by the reaction. monomers repeating units that serve as the building blocks of a polymer enzymes specialized macromolecules that speed up chemical reactions in cells alpha carbon the central carbon atom of each amino acid Atomic number number of protons atomic mass number of protons plus number of neutrons dehydration synthesis a chemical reaction in which two molecules become covalently bonded to each other with the removal of a water molecule