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| 5978807489 | Amino Acid | Building blocks of protein |  | 0 |
| 5978818567 | Covalent Bond | A chemical bond that involves sharing a pair of electrons between atoms in a molecule |  | 1 |
| 5978820982 | Electron | A subatomic particle that has a negative charge |  | 2 |
| 5978824820 | Hydrogen Bond | A type of weak chemical bond formed when the slightly positive hydrogen atom of a polar covalent bond in one molecule is attracted to the slightly negative atom of a polar covalent bond in another molecule. |  | 3 |
| 5978827980 | Monosaccharide | A single sugar molecule such as glucose or fructose, the simplest type of sugar. |  | 4 |
| 5978832181 | Protein | A three dimensional polymer made of monomers of amino acids. |  | 5 |
| 5978836588 | Valence Electron | Electrons on the outermost energy level of an atom |  | 6 |
| 5978843903 | Atomic Number | The number of protons in the nucleus of an atom |  | 7 |
| 5978851525 | Dehydration Synthesis | A chemical reaction in which two molecules covalently bond to each other with the removal of a water molecule. |  | 8 |
| 5978854926 | fatty acid | Building Blocks of Lipids |  | 9 |
| 5978857403 | lipid | Energy-rich organic compounds, such as fats, oils, and waxes, that are made of carbon, hydrogen, and oxygen. |  | 10 |
| 5978861117 | Polysaccharide | Carbohydrates that are made up of more than two monosaccharides |  | 11 |
| 5978863868 | Neutron | A subatomic particle that has no charge and that is found in the nucleus of an atom |  | 12 |
| 5978867128 | Carbohydrate | Broken down to simple sugars | | 13 |
| 5978871990 | Disaccharide | A double sugar, consisting of two monosaccharides joined by dehydration synthesis. |  | 14 |
| 5978873794 | Glycerol | A three-carbon alcohol to which fatty acids are covalently bonded to make fats and oils. |  | 15 |
| 5978873954 | Macromolecule | A very large organic molecule composed of many smaller molecules |  | 16 |
| 5978876499 | Proton | A subatomic particle that has a positive charge and that is found in the nucleus of an atom |  | 17 |
| 5978878798 | Polypeptide | long chain of amino acids that makes proteins |  | 18 |
