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BIOCHEMISTRY Lipids

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Roles Found in membranes Energy source-used as a substrate for respiration and also as a food store Waterproofing Insulation protection

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BIOCHEMISTRY

Lipids

Lipids - fats and oils

C, H, O (but lack the 2:1 ratio found in carbohydrates)

Includes triglycerides, phospholipids and waxes

Insoluble in water, soluble in organic solvents

Page 3: BIOCHEMISTRY Lipids. Lipids - fats and oils C, H, O (but lack the 2:1 ratio found in carbohydrates) Includes triglycerides, phospholipids and waxes Insoluble

Roles

Found in membranesEnergy source-used as a substrate for

respiration and also as a food storeWaterproofingInsulationprotection

Page 4: BIOCHEMISTRY Lipids. Lipids - fats and oils C, H, O (but lack the 2:1 ratio found in carbohydrates) Includes triglycerides, phospholipids and waxes Insoluble

Simple Lipids (fats)

1 Glycerol3 Fatty acids Triglyceride

Fatty acids saturated unsaturated

Page 5: BIOCHEMISTRY Lipids. Lipids - fats and oils C, H, O (but lack the 2:1 ratio found in carbohydrates) Includes triglycerides, phospholipids and waxes Insoluble

glycerol

Page 6: BIOCHEMISTRY Lipids. Lipids - fats and oils C, H, O (but lack the 2:1 ratio found in carbohydrates) Includes triglycerides, phospholipids and waxes Insoluble

Page 7: BIOCHEMISTRY Lipids. Lipids - fats and oils C, H, O (but lack the 2:1 ratio found in carbohydrates) Includes triglycerides, phospholipids and waxes Insoluble

Page 8: BIOCHEMISTRY Lipids. Lipids - fats and oils C, H, O (but lack the 2:1 ratio found in carbohydrates) Includes triglycerides, phospholipids and waxes Insoluble

Page 9: BIOCHEMISTRY Lipids. Lipids - fats and oils C, H, O (but lack the 2:1 ratio found in carbohydrates) Includes triglycerides, phospholipids and waxes Insoluble

Page 10: BIOCHEMISTRY Lipids. Lipids - fats and oils C, H, O (but lack the 2:1 ratio found in carbohydrates) Includes triglycerides, phospholipids and waxes Insoluble

Phospholipid - Complex Lipid

Phosphate group replaces one of the Fatty Acids

Polar head & non-polar tail

Main structural component of the cell membrane

Page 11: BIOCHEMISTRY Lipids. Lipids - fats and oils C, H, O (but lack the 2:1 ratio found in carbohydrates) Includes triglycerides, phospholipids and waxes Insoluble

Cell Membrane

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Lipids - dochemistry.weebly.comdochemistry.weebly.com › ... › 7 › 3 › 23730518 › b4_lipids.pdf · Lipids Triglycerides Phospholipids Steroids High/Low density lipoproteins

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2 - Digestion and Absorption of Lipids - WordPress.com · 2017-02-02 · Dietary Lipids n Dietary lipids comprise triglycerides (90%), essential fatty acids, cholesterol phospholipids,

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Lipids. Lipids Lipids (fixed oils, fats, and waxes) are esters of long-chain fatty acids and alcohols, or of closely related derivatives. The chief difference