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Lipids: Building Blocks and Functions

Discover the world of lipids, including fats, phospholipids, and steroids, as the building blocks of energy storage and thermal insulation. Learn about glycerol, fatty acids, saturated and unsaturated fats, and their hydrophobic nature.

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Lipids: Building Blocks and Functions

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  1. Lipids

  2. Lipids

  3. Lipids • Includes fats, phospholipids, and steroids

  4. Building Blocks

  5. Building Blocks • Glycerol

  6. Building Blocks • Glycerol • Fatty acid

  7. Building Blocks • Glycerol • Fatty acid • Long carbon chain with a carboxyl group at one end

  8. Building Blocks • Glycerol • Fatty acid • Long carbon chain with a carboxyl group at one end  they are hydrophobic!

  9. Lipids(aka fats or triglycerides) • Consist of 1 glycerol and 3 fatty acids

  10. Lipids(aka fats or triglycerides) • Consist of 1 glycerol and 3 fatty acids • Condensation synthesis forms fats

  11. Lipids(aka fats or triglycerides) • Consist of 1 glycerol and 3 fatty acids • Condensation synthesis forms fats

  12. Lipids(aka fats or triglycerides) • Consist of 1 glycerol and 3 fatty acids • Condensation synthesis forms fats • Some fats are saturated or unsaturated

  13. Lipids(aka fats or triglycerides) • Consist of 1 glycerol and 3 fatty acids • Condensation synthesis forms fats • Some fats are saturated or unsaturated

  14. Lipids(aka fats or triglycerides) • Consist of 1 glycerol and 3 fatty acids • Condensation synthesis forms fats • Some fats are saturated or unsaturated • Bending occurs in unsaturated fats

  15. Lipids(aka fats or triglycerides) • Consist of 1 glycerol and 3 fatty acids • Condensation synthesis forms fats • Ex. Butyric acid, palmitic acid

  16. Lipids(aka fats or triglycerides) • Functions • energy storage (by mass fats have twice the energy of carbs and proteins)

  17. Lipids(aka fats or triglycerides) • Functions • energy storage (by mass fats have twice the energy of carbs and proteins) as adipose cells in animals and seeds in plants

  18. Lipids(aka fats or triglycerides) • Functions • energy storage (by mass fats have twice the energy of carbs and proteins) as adipose cells in animals and seeds in plants • Thermal insulation

  19. Other Lipids

  20. Other Lipids

  21. Other Lipids • Phospholipids - 2 fatty acids and a phosphate group

  22. Other Lipids • Phospholipids - 2 fatty acids and a phosphate group • Steroids - remodeled lipid, consists of 4 fused rings

  23. Other Lipids • Phospholipids - 2 fatty acids and a phosphate group • Steroids - remodeled lipid, consists of 4 fused rings ex. Cholesterol, testosterone, estradiol

  24. Lipids

  25. Lipids • Insoluble in water

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