3 2 organic compounds notes

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3 2 organic compounds notes

  1. 1. ORGANIC COMPOUNDS<br />Biology Notes<br />
  2. 2. I. What is an Organic Compound?<br />Composed of 2 or more CARBON atoms<br />Common elements that form organic molecules:<br />Carbon (C), Hydrogen (H), Oxygen (O), Nitrogen (N), Phosphorus (P), and Sulfur (S)<br />
  3. 3. 3. May be HYDROPHOBIC (nonpolar)<br />
  4. 4. Or HYDROPHILLIC (polar)<br />
  5. 5. Or both<br />
  6. 6. 4. May contain Functional Groups:<br />reactive part of a molecule that undergoes<br /> predictable reactions<br />OH <br />(Hydroxyl group,<br />a type of alcohol)<br />
  7. 7. 5. Ex. Macromolecules: antifreeze, acetone, diamonds<br />
  8. 8. 6. Ex. Fossil fuels: coal, oil, natural gas<br /><ul><li>Energy rich hydrocarbons that are primary source of energy on Earth</li></li></ul><li>II. Organic Macromolecules<br />Structure of Macromolecules in Living Things<br />Monomer Units:<br />A molecule that is a single subunit or “building block” that will bond with other molecules to form larger structures. <br />
  9. 9. Monomer Units:<br />A molecule that is a single subunit or “building block” that will bond with other molecules to form larger structures. <br />Ex: = ring = simple<br />structure sugar<br />
  10. 10. 2. Polymers:<br />Molecules built from 2 or more monomer units<br /><ul><li>Can be formed by identical or similar monomer units</li></li></ul><li>3. MACROMOLECULES:<br />Very large carbon structures made up of repeating polymers<br />100’s of carbon molecules linked together. Ex: Carbs, Lipids, Proteins, Nucleic Acids<br />
  11. 11. III. The Building and Breaking Apart of Macromolecules <br /><ul><li>Organic macromolecules may differ, but they are ALL assembled and disassembled in the same way</li></li></ul><li>Dehydration reactions:<br /><ul><li>LINKS monomer units TOGETHER to make larger molecules
  12. 12. LOSS or PRODUCTION of a WATER molecule AS A RESULT</li></ul>Draw <br />this<br />
  13. 13. Dehydration Reaction<br />Monomers<br />Polymer<br />
  14. 14. 2. Hydrolysis Reaction: “to break”<br /><ul><li>Reverse of dehydration
  15. 15. ADDITION of WATER to break a larger molecule apart into smaller monomer units</li></ul>Big Polymer Small Monomers<br />
  16. 16. Hydrolysis Reaction<br />Polymer<br />Monomers<br />

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