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Macromolecules in Living Organisms

Macromolecules in Living Organisms. There are 4 main classes of macromolecules: Carbohydrates(CBH) Lipids Proteins Nucleic acids. Carbohydrates. Functions in living organisms Basic structure. Reactions involving carbohydrates. Endergonic-building Exergonic-breaking apart.

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Macromolecules in Living Organisms

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  1. Macromolecules in Living Organisms • There are 4 main classes of macromolecules: Carbohydrates(CBH) Lipids Proteins Nucleic acids

  2. Carbohydrates • Functions in living organisms • Basic structure

  3. Reactions involving carbohydrates • Endergonic-building • Exergonic-breaking apart

  4. Important CBHs • Storage

  5. Structural CBHs

  6. Lipids • Functions: • Lipids include: • Energy storage

  7. Fats & Oils • Non polar • Each fat molecule (AKA triglyceride) consists of: • How are they joined together?

  8. Variations in fats are due to fatty acid composition • FAs may be • Saturated • Unsaturated

  9. Fat Functions:

  10. Phospholipids • Glycerol,2 Fatty acids, + phosphate group • Cell membranes

  11. Glycolipids • Glycerol, 2 FA chains, CBH • Impt. Components of cell membrane, usually facing into the external environment FA glycerol FA CBH

  12. Steroids • Steroid nucleus • Functions

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