| A | B |
|---|
| organic compound | compounds that contain carbon |
| RNA | type of nucleic acid that plays an important role in the production of proteins |
| inorganic compounds | compounds that do not contain the element carbon |
| DNA | Type of nucleic acid that passes from parent to offspring and directs all the cell's functions |
| proteins | very large organic molecules made ofen, and, in some cases, sulfur |
| molecule | the smallest unit of most compounds |
| amino acids | small molecules that make up proteins |
| compound | The chemical combination of two or more elements |
| enzyme | type of protein that speeds up chemical reactions in living things |
| atom | the smalles unit of an element |
| element | any substance that cannot be broken down into simpler substances |
| nucleic acids | large organic molecules made of carbon, hydrogen, oxygen, nitrogen, and phosphorus |
| lipid | energy rich organic compounds made up of fats, oils, and waxes. |
| carbohydrate | energy rich organic compounds, such as sugars and starches |
