| A | B |
|---|
| adhesion | attraction force between unlike substances |
| capillarity | reaction of a liquid surface with a solid allows water to creep up the interior of a narrow vessel |
| cohesion | attraction of like molecules to each other |
| hydrogen bond | weak chemical bond between hydrogen atoms in one molecule and a negative charged region of another molecule |
| polar | compound having a negative charge on one side and a positive charge on the other |
| adenosine triphosphate | ATP energy molecule |
| alcohol | organic compound with a hydroxl group attached |
| condensation reaction | chemical reaction in which 1 molecule of water is produced |
| functional group | structural building block that determines characteristics of a chemical compound |
| hydrolysis | splitting of molcules through reactions with water |
| macromolecule | very large organic molecule |
| monomer | repeated single molectural unit of a polymer |
| organic compound | compound derived from living things and contains carbon |
| polymer | compound consisitng of repeated linked monomers |
| amino acid | one of 20 monomers that form proteins |
| carbohydrate | organic compound present in the cells of all living things and major organic nutrient for humans |
| dipeptide | formation from 2 amino acids bonded together by means of a condensation reaction |
| disaccharide | double sugar |
| fatty acid | monomer that is part of most lipids |
| hydrophilic | attraction to water |
| hydrophobic | repulsion of water |
| isomer | one of 2 or more compounds that differ in structure but not in molecular compostion |
| lipid | organic compound that is insoluable in water |
| monosaccharide | sjmple sugar |
| nucleic acid | DNA or RNA |
| nucleotide | monomer of DNA and RNA |
| peptide bond | covalent bond between 2 amino acids |
| phospholipid | complex lipid having 2 fatty acids joined by a molecule of glycerol |
| polypeptide | long chain of several amino acids |
| polysaccharide | complex carbohydrate |
| Protein | organic compound composed of amino acids |
| ribonucleic acid | RNA |
| steriod | 4 ringed lipid molecule |
| substrate | the reactant in any enzyme catalyzed reaction |
| triglyceride | lipid made up of 3 fatty acids and one glycerol |
| wax | structural lipid |
