An Introduction To Biological Compounds

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An Introduction To Biological Compounds

  1. 1. An Introduction to Biological Compounds Chapter 2-3
  2. 2. What is the difference between the terms “organic” and “inorganic”? <ul><li>Inorganic – substances that make up the bulk of the physical non-living universe </li></ul><ul><li>no carbon chains </li></ul><ul><li>no carbon/hydrogen bonds </li></ul><ul><li>Examples  water, minerals, oxygen, CO 2 </li></ul><ul><li>Organic – substances found in living or once living matter </li></ul><ul><li>usually contain at least 2 carbon atoms in a chain and/or carbon/hydrogen bonds </li></ul><ul><li>Examples  Proteins, Carbohydrates (sugars), Lipids (fats), and Nucleic Acids (DNA) </li></ul>
  3. 3. <ul><li>Carbon is the perfect backbone element for all organic compounds…Why? </li></ul><ul><li>Each carbon atom can form four covalent bonds, and carbon atoms can bond with other carbon atoms. </li></ul>
  4. 6. Polymers are macromolecules
  5. 7. Starch - Monomers and Polymers
  6. 9. Protein (polymer) Amino Acids (monomer)
  7. 10. What is the role of water in the synthesis and decomposition of a polymer? <ul><li>Dehydration Synthesis – a molecule of water is lost when a polymer is constructed. Water is lost when macromolecules are made… </li></ul>
  8. 11. <ul><li>Hydrolysis – water must be added to decompose a polymer </li></ul>

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