1. Lovely Lipids (Or everything you ever wanted to know about fat & its relatives

2. Two Types of Lipids I. Cholesterol (steroid) Family II. Fat Family

3. All Lipids Are hydrophobic Are hydrophobic Are composed entirely of C,H,O atoms Are composed entirely of C,H,O atoms

4. I. Cholesterol

5. Cholesterol & Friends Q: Why do we need cholesterol? 1) Component of animal cell membranes 2) ?

6. Q: Why do we need cholesterol? (hint)

7. Q: Why do we need cholesterol? Cholesterol is the “Steroid Mama”: Cholesterol is the precursor of Estrogen Estrogen Progesterone Progesterone Testosterone Testosterone Cortisol Cortisol

8. II. Triglycerides (Fats, oils, waxes) A Triglyceride molecule = A Fat Molecule

9. II. Triglycerides

10. What’s the differences between saturated and unsaturated fats?

11. Saturated – carries as many H as possible

12. Unsaturated – double bond replaces H Polyunsaturated – more than 1 double bond

13. Saturated vs. Unsaturated Saturated Saturated Unsaturated Unsaturated

14. Benefits of Fats & Cholesterol Fats (Triglycerides) Cholesterol