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Lipids, Fats and Oils

by Georgina Cornwall, PhD
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    About the Lecture

    The lecture Lipids, Fats and Oils by Georgina Cornwall, PhD is from the course The Macromolecules of Life.


    Included Quiz Questions

    1. Due to polar and hydrophilic nature, the lipids can be readily solubilized in ethanol.
    2. Lipids are non-polymer macro molecules mostly made up of hydrocarbon chains.
    3. Fats, oils, waxes, terpenes, steroids, and phospholipids are good examples of lipids.
    4. Lipids are soluble in nonpolar solvents due to their hydrophobic nature.
    5. Lipids help in energy storage, signaling and acts as structural components.
    1. The kinkiness in the unsaturated hydrocarbon chains of vegetable oil molecules does not allow them to stack up on the top of each other, hence keeps them as a liquid.
    2. Due to high molecular vibrations in the fully saturated hydrocarbon chains, the vegetable oil cannot solidify.
    3. Due to the absence of a metal catalyst, the vegetable oil exists as a liquid at room temperature.
    4. Due to low molecular vibrations in the fully saturated hydrocarbon chains, the vegetable oil cannot solidify.
    5. Due to a larger number of hydrogen atoms in the fully saturated hydrocarbon chains, the vegetable oil cannot solidify.
    1. Trans-fats raise LDL cholesterol and lower the HDL cholesterol, hence increase the risk of coronary artery disease and metabolism related disorders.
    2. Trans-fats lower LDL and raise HDL, hence increase the possibility of the brain hemorrhage.
    3. Trans-fats lowers LDL and HDL cholesterol levels in the blood, hence increase the possibility of liver degeneration.
    4. Trans-fats raise LDL and HDL cholesterol concentrations in the blood, hence increase the risk of liver degeneration.
    5. Trans-fats raise LDL and HDL cholesterol levels in the blood, hence increase the risk of intestinal bleeding.

    Author of lecture Lipids, Fats and Oils

     Georgina Cornwall, PhD

    Georgina Cornwall, PhD


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