| A | B |
|---|
| amino acids | basic building block of protein |
| water | inorganic compound needed by the body in large quantities |
| carbohydrates | grains, vegetables, and fruits are all examples of these sugars and starches |
| lipids | used in the body for cell membrane structure and as a storage form of energy |
| nitrogen | unlike carbohydrates, the building block of protein contain this element |
| cellulose | the complex sugar in the walls of plant cells |
| nucleotide | basic unit of a nucleic acid |
| enzyme | a substance the speeds up a chemical reaction |
| fatty acids | unit that makes up lipids |
| RNA | nucleic acid used in making proteins. |
| glucose | the most common simple sugar used by organisms |
| simple sugar | the monomer of a carbohydrate |
| starch | complex sugar made by plants to store carbohydrates |
| DNA | a nucleic acid involved in controlling a cell's activities and passing on characteristics to offspring |
| chromosome | threadlike strand found in the nucleus |
| complex sugar | the polymer of a carbohydrate |
