| A | B |
|---|
| polar molecule | hydrophilic |
| nonpolar molecule | hydrophobic |
| intermolecular attractions | attractions between molecules |
| universal solvent | dissolves all polar molecules |
| cohesion | like molecules stick together |
| adhesion | unlike molecules stick together |
| pH | measure of H+ concentration |
| acidic | pH values under 7 |
| basic | pH values above 7 |
| isomers | organic compounds with the same chemical formulas but different structural formulas |
| organic compounds | compounds that contain carbon |
| carbohydrates | function to give quick energy |
| monosaccharide | examples are glucose, galactose and fructose |
| disaccharide | examples are sucrose, galactose and maltose |
| polysaccharide | examples are cellulose, starch and glycogen |
| lipids | can function in long term energy and insulation |
| saturated fatty acids | animal fats; single bonds between the carbon atoms |
| unsaturated fatty acids | plant fats; contain at least one double bond between the carbon atoms |
| steroids | component of plasma membrane; example is cholesterol |
| proteins | function in growth and repair; monomers are amino acids |
| nucleic acids | consist of nucleotides; examples are DNA and RNA |
