The Big 4

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The Big 4

  1. 1. The Big 4
  2. 2. Organic Compounds <ul><li>Unique to living systems </li></ul><ul><li>Contain carbon </li></ul><ul><li>Generally very large with functional groups </li></ul><ul><ul><li>No Carbon dioxide, CO, etc </li></ul></ul>
  3. 3. Monosaccharides
  4. 4. Fncns of Carbs <ul><li>Small amounts used for structural purposes </li></ul><ul><li>Ready, easily used cellular fuel </li></ul><ul><ul><li>ATP synthesis </li></ul></ul><ul><ul><ul><li>Converted to fat when ATP supplies are sufficient </li></ul></ul></ul>
  5. 5. Lipids <ul><li>Contain C, H, and O, but the proportion of oxygen in lipids is less than in carbohydrates </li></ul><ul><li>Examples: </li></ul><ul><li>Neutral fats or triglycerides </li></ul><ul><li>Phospholipids </li></ul><ul><li>Steroids </li></ul><ul><li>Eicosanoids </li></ul>
  6. 6. Amino Acids <ul><li>Building blocks of protein, containing an amino group and a carboxyl group </li></ul><ul><li>Amino group NH 2 </li></ul><ul><li>Carboxyl groups COOH </li></ul>
  7. 7. Protein <ul><li>Macromolecules composed of combinations of 20 types of amino acids bound together with peptide bonds </li></ul>Figure 2.17

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