| A | B |
| biochemistry | The chemistry of life |
| pH scale | measure of acidity; Hydrogen ion concentration |
| lipids | fats; stored energy, insulation and protection |
| atom | simplest form of an atom |
| acid | pH less than 7 |
| saturated fats | consists of triglycerides containing only saturated fatty acids. (single carbon bonds) |
| electrons | negative particles of the atom |
| base | pH greater than 7 |
| polyunsaturated fats | liquid at room temp. multiple double bonds |
| protons | positive particles of the atom |
| buffer | a solution that absorbs extra acid or base to keep a solution ph neutral |
| nucleic acids | C, H, N, and Phosphates, for heredity |
| neutrons | neutral subatomic particle |
| organic chemistry | Contains Carbon |
| nucleotides | made of sugar, phosphate group, and nitrogen base |
| element | the simplest form of matter |
| macromolecule | large molecule; could be protein, lipids, carbohydrate or nucleotides |
| DNA | master copy of heredity |
| compound | two or more elements chemically bonded |
| monomer | base unit of a polymer |
| RNA | makes proteins |
| polarity | a molecule with a positive and negative pole |
| polymer | made of many monomers; makes macromolecules |
| proteins | made of amino acids |
| mixture | two or more elements or compounds physically combined |
| carbohydrates | sugars and starches |
| amino acids | monomer for proteins made of C, H, O, and N |
| solution | a homogeneous mixture |
| monosaccharides | a simple sugar, one sugar monomer |
| enzymes | biological catalyst |
| solute | the substance being dissolved |
| polysaccharides | complex carbohydrates, many monosaccharides linked together |
| catalyst | a molecule that speeds up a chemical reaction |
| solvent | the substance doing the dissolving |
| glycogen | a polysaccharide found in animals |
| substrates | molecule on which an enzyme acts |
| suspension | a mixture where particles settle and fall |
| cellulose | polysaccharide found in cell walls of plants |
| disaccharides | double sugars, sucrose is an example |