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Lipids

Lipids. Large non-polar organic molecules that do not dissolve in water. Lipids Overview. They are large organic molecules They contain carbon, hydrogen, and oxygen Stores fats as long term energy Contains lots of calories 2x the amount of carbohydrates

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Lipids

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  1. Lipids Large non-polar organic molecules that do not dissolve in water.

  2. Lipids Overview • They are large organic molecules • They contain carbon, hydrogen, and oxygen • Stores fats as long term energy • Contains lots of calories 2x the amount of carbohydrates • Building blocks of lipids: 3 Fatty acids and one glycerol = a lipid

  3. Present Elements • C, O, H (carbon, hydrogen, oxygen) Carbon Atom Hydrogen Atom

  4. Building Blocks The Monomer of a lipid is a glycerol and 3 fatty acid molecules • Consists of 3 fatty acids & glycerol also know as triglycerides (polymer) • Glycerol & • 3 Fatty Acids

  5. Functions of a lipid • Stores energy long term • Forms membranes around our cells called a phospholipids bilayer • Lipids provide insulation in your body and they protect your organs • Steroids and Hormones like testosterone, progesterone and estrogen. • Cholesterol is a lipid it is important in cell membranes

  6. Function Pictures Lipid Membrane Example of a hormone Insulation

  7. More facts Examples • A lipid is also known as a Polymer • Also known as: triglyceride, fat, oil, wax: • Types of lipids • saturated fat • Unsaturated fat • Polyunsaturated fat • Trans fat • Waxes or oils • Cholesterol • Hormones: estrogen/testosterone • Lipids are high in calories because they yield a lot of ATP when broken down.

  8. Examples of the types Lipids saturated Trans fat unsaturated

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