| A | B |
| enzyme | biological catalyst for a reaction |
| proteins | made of the monomer amino acids |
| lock and key mechanism | enzyme and protein fit together very specifically |
| pure substane that cannot be broken down | element |
| four levels of stucture | proteins |
| hemoglobin | iron containing protein found in red blood cells |
| red blood cells | carry oxygen to tissues |
| nucleic acid types | DNA, RNA |
| Macromolecule that stores enery for the long term | Lipids |
| nucleotides | Indidual monomers in nucleic acids |
| peptide bonds | type of bond linking amino acids |
| amino acids | monomers that make up proteins |
| Number of amino acids found in nature | More than 20 |
| proteins are able to regulate... | cell processes |
| Where are the instructions to make a protein found | in DNA. |
| function of nucleic acids | to store and transmit genetic information |
| fats, oils, waxes, steroids | types of lipids |
| carbohydrate used for immediate energy | glucose |