| A | B |
|---|
| Moleculse of this simple sugar strung together in long chains make starch. | glucose |
| The three main elements in organic molecules are... | C, H, O |
| Lipids that are solids are called... | Fats |
| Fats are ___, meaning they contain only single bonds. | saturated |
| Saturated fats come mainly from ... | animals |
| Unsaturated fats contain at least one ... | double bond |
| Unsaturated fats come mainly from ... | plants |
| Enzymes are __, compounds that speed up chemical reactions. | catalysts |
| To make a protein, your body links __ together. | amino acids |
| Your body's main source of energy is ... | carbohydrates |
| There are only 20 ... | amino acids |
| The English unit for energy is the ... | calorie |
| The metric unit for energy is the ... | joule |
| Energy is stored in the __ of melecules | bonds |
| The lock and key model describes how __ work. | enzymes |
| To which category of molecules do enzymes belong? | proteins |
| Amino acids you must get from your food are said to be ... | essential |
| Amino acids that your body can make are said to be ... | nonessential |
| A __ is a molecule which fits onto a specific enzyme. | substrate |
| Fiber in food is a type of ... | carbohydrate |
| Most body structures such as skin and muscle are made from ... | protein |
| Fats and oils are both types of ... | lipids |
| Beans, meats, and nuts are good sources of ... | protein |
| Pasta, rice and other grains are good sources of ... | carbohydrate |
| Large molecules made of repeating units are called ... | polymers |
