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| 1 | Is a compound in which the atoms are held together by a convalent bonds |   
| 2 | An organic compound that contains carbon, hydrogen, and oxygen |   
| 5 | Is a pure substance formed when two or more different atoms combine |   
| 6 | Large molecule formed from smaller repeating of identicle, compounds linked by convalent bonds |   
| 7 | Is a pure substance that cannot be broken down |   
| 9 | A complex macromolecule that stores and communicates genetic info |   
| 10 | Primary building block or organisms |   
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| 1 | Large molecule formed by joining smaller organic molecules together. |   
| 3 | Smallest particle of matter |   
| 4 | Protein that speeds up a biological reaction by lowering the activation energy needed to start the reaction |   
| 8 | Hydrophobic biological molecule composed mostly of carbon and hydrogen |   
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