A | B |
Polar | Molecule with negative charge on one side and positive charge on the other |
hydrogen bond | weak chemical bond between hydrogen atom in one molecule and a negatively charged region of another molecule |
cohesion | The attraction of water molecules to each other |
adhesion | The attractive force between unlike forces |
capillarity | Allows water to creep up the interior of a vessel |
organic compounds | Derived from living things and contains carbon |
condensation reaction | Reaction (dehydration synthesis) where one molecules of water is produced |
hydrolysis | The splitting of a molecule through reaction with water |
adenosine triphosphate | Energy source for metabolic processes |
carbohydrate | Organic compound organisms use for energy in the cell |
monosaccharide | Simple sugar – fructose or glucose |
isomer | One or more compounds that differ in structure but not in molecular composition |
disaccharide | Double sugar – 2 monosaccharides |
polysaccharide | Complex – 3 or more monosaccharides |
proteins | Organic compound of polypeptides which are formed from amino acids |
amino acids | A formation from two amino acids bonded together by means of a condensation reaction |
substrate | The reactant in any enzyme-catalyzed reaction |
lipids | Organic molecule that is insoluble in water (fats and steroids) |
fatty acids | Monomer that is part of most lipds |
hydrophilic | Water loving – attracted to water |
hydrophobic | Water hating – repelled from water |
triglyceride | Lipid made of three fatty-acid molecules and one glycerol molecule |
phospholipids | Complex lipid having two fatty acids joined by a molecule of glycerol |
steroid | Lipid in which the molecule is composed of four carbon rings |
nucleic acid | Organic molecule, NA or RNA that stores and carries genetic info |
ribonucleic acid | Nucleic acid composed of a single strand – contains ribose instead of uracil |
nucleotide | Part of DNA or RNA that has nitrogen base, a sugar, and a phosphate group |
wax | long fatty-acid chain joined to a long alcohol chain - highly water proof |