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

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Presentation transcript:

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

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

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

I. Cholesterol

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

Q: Why do we need cholesterol? (hint)

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

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

II. Triglycerides

What’s the differences between saturated and unsaturated fats?

Saturated – carries as many H as possible

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

Saturated vs. Unsaturated Saturated Saturated Unsaturated Unsaturated

Benefits of Fats & Cholesterol Fats (Triglycerides) Cholesterol