BIOL 2100 Exam 1 solved.

ion correct answer charged atom ionic bond correct answer bond between oppositely charged ions covalent bond correct answer electron pairs are shared nonpolar covalent bond correct answer achieve octet by equal sharing of one or more electron pairs polar covalent bond correct answer unequal sharing of one or more electron pairs electronegativity rankings of H,C,O,N correct answer O N C = H what bond forms between water molecules? correct answer hydrogen bonds hydrogen bond correct answer weak bond between electronegative atom H bond is shared hydrophobic interactions correct answer interaction of nonpolar substances in the presence of polar substances van der Waals interactions correct answer interaction of electrons of non polar substances inter correct answer between molecules intra correct answer within molecules four main molecules of biology correct answer lipids, proteins, nucleic acids, and carbohydrates functions of proteins correct answer communication, movement, defense, catalyze chemical reactions, structural support as pH decreases, what happens to overall charge of protein? correct answer more positive isomer correct answer same molecular formula, different structure anantomer correct answer mirrored molecules peptide correct answer short polymer of amino acids polypeptide correct answer full length chain for protein