1. (CNCULIBIACD) Chain of nucleotides which is composed of nitrogenous base, sugar, and phosphate group (two words) 2 (XYDEOBORINLEIUCCIDAC) Type of nucleic acid present in the nucleus and the mitochondrion (b" o words) 3. (ENGE) Discrete unit of inheritance which determines a hereditary trait 4.(BORINUBICCLIDAC) Important nucleotide used in synthesizing protein molecules needed by the cells (two words)