var nc = 39, fc = new Array(nc); fc[0] = {t:"Active Site",d:"The location on an enzyme where a reactive substance binds."}; fc[1] = {t:"Amino Acid",d:"Molecule that contains at least one amine group and one carboxylic acid group; in an α-amino acid, the two groups are attached to the same (α) carbon atom."}; fc[2] = {t:"Biocatalyst",d:"The strategy of using enzymes to catalyze reactions on a large scale; it is becoming especially important in processes that involve chiral materials."}; fc[3] = {t:"Biomass",d:"The sum total of the mass of organic matter in any given ecological system."}; fc[4] = {t:"Biomolecule",d:"An organic molecule present naturally in a living system."}; fc[5] = {t:"Carbohydrate",d:"An organic molecule with the generic formula Cx(H2O)y."}; fc[6] = {t:"Codon",d:"A three-nucleotide sequence that codes for a specific amino acid."}; fc[7] = {t:"Enzyme",d:"A protein that catalyzes a reaction."}; fc[8] = {t:"Essential Amino Acid",d:"Any of the 8 amino acids that make up peptides and proteins but are not synthesized in the human body and must be obtained through the food we eat."}; fc[9] = {t:"Fat",d:"Solid triglyceride containing primarily saturated fatty acids."}; fc[10] = {t:"Glyceride",d:"Lipid consisting of esters formed between fatty acids and the alcohol glycerol."}; fc[11] = {t:"Glycosidic Bond",d:"A C–O–C bond between sugar molecules."}; fc[12] = {t:"Inhibitor",d:"A compound that diminishes or destroys the ability of an enzyme to catalyze a reaction."}; fc[13] = {t:"Krebs Cycle",d:"A series of reactions that continue the oxidation of pyruvate formed in glycolysis."}; fc[14] = {t:"Lipid",d:"A class of water-insoluble, oily organic compounds that are common structural materials in cells."}; fc[15] = {t:"Lipid Bilayer",d:"A double layer of molecules whose polar head groups interact with water molecules and whose nonpolar tails interact with each other."}; fc[16] = {t:"Messenger RNA (mRNA)",d:"The form of RNA that carries the code for synthesizing proteins from DNA to the site of protein synthesis in a cell."}; fc[17] = {t:"Monosaccharide",d:"A single-sugar unit and the simplest carbohydrate."}; fc[18] = {t:"Nucleic Acid",d:"One of a family of large molecules, which includes deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), that stores the genetic blueprint of an organism and controls the production of proteins."}; fc[19] = {t:"Nucleotide",d:"A monomer unit from which nucleic acids are made."}; fc[20] = {t:"Oil",d:"Liquid triglyceride containing primarily unsaturated fatty acids."}; fc[21] = {t:"Peptide",d:"A compound of two or more amino acids joined by peptide bonds. Small peptides containing up to 20 amino acids are oligopeptides; and the term polypeptide is used for chains longer than 20 amino acids but shorter than proteins."}; fc[22] = {t:"Peptide Bond",d:"The results of a condensation reaction between the carboxylic acid group of one amino acid and the amine group of another."}; fc[23] = {t:"Phospholipid",d:"A molecule of glycerol with two fatty acid chains and one polar group containing a phosphate; phospholipids are major constituents of cell membranes."}; fc[24] = {t:"Polysaccharide",d:"A polymer of monosaccharides."}; fc[25] = {t:"Primary (1°) Structure",d:"The sequence in which the amino acid monomers occur in a polymer chain."}; fc[26] = {t:"Protein",d:"Biological polymer made of amino acids."}; fc[27] = {t:"Quaternary (4°) Structure",d:"The larger structure functioning as a single unit that results when two or more proteins associate."}; fc[28] = {t:"Random Coil",d:"An irregular or rapidly changing part of the secondary structure of a protein."}; fc[29] = {t:"Replication",d:"The process by which one double-stranded DNA forms two new DNA molecules, each one containing one strand from the original molecule and one new strand."}; fc[30] = {t:"Secondary (2°) Structure",d:"The pattern of arrangement of segments of a protein chain."}; fc[31] = {t:"Substrate",d:"The reactant that binds to the active site in an enzymecatalyzed reaction."}; fc[32] = {t:"Tertiary (3°) Structure",d:"The three-dimensional, biologically active structure of the protein that arises because of interactions between the R groups on the amino acids."}; fc[33] = {t:"Transcription",d:"The process of copying the information in DNA to RNA."}; fc[34] = {t:"Transfer RNA (tRNA)",d:"The form of the nucleic acid RNA that delivers amino acids, one at a time, to polypeptide chains being assembled by the ribosome–mRNA complex."}; fc[35] = {t:"Translation",d:"The process of assembling proteins from the information encoded in RNA."}; fc[36] = {t:"Zwitterion",d:"A molecule that has both positively and negatively charged groups in its structure."}; fc[37] = {t:"α Helix",d:"A coil in a protein chain’s secondary structure."}; fc[38] = {t:"β-Pleated Sheet",d:"A puckered two-dimensional array of protein strands held together by hydrogen bonds."};