2024-10-23T13:53:27+03:00[Europe/Moscow] en true <p>Lipids </p>, <p>Glycerol molecule</p>, <p>Fatty acid variation</p>, <p>Structural formula</p>, <p>Fatty acids </p>, <p>Body high in saturated fats </p>, <p>Atheroma </p>, <p>Triglycerides </p>, <p>Triglyceride uses </p>, <p>Phospholipid </p>, <p>Micelle </p>, <p>Waxes</p> flashcards
BIOLOGY - LIPIDS

BIOLOGY - LIPIDS

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  • Lipids

    Include fats, oils and waxes. Made up of carbon, hydrogen and oxygen

  • Glycerol molecule

    Always the same in any lipid, fatty acids that vary

  • Fatty acid variation

    Length of hydrocarbon tail and how saturated the molecule is

  • Structural formula

    C3H8O3

  • Fatty acids

    Saturated or unsaturated depending on the presence of double bonds in molecule

  • Body high in saturated fats

    Low density lipoprotein buildup

  • Atheroma

    Fatty deposits

  • Triglycerides

    Most common type - formed from 3 molecules of fatty acid and one molecule of glycerol. Insoluble. Formed from 3 condensation reactions involving the -OH group of glycerol and the -COOH group of each fatty acid

  • Triglyceride uses

    When oxidised, releases more energy for use in respiration and take up less space. Fat is stored around kidneys for protection and produce metabolic water when oxidised.

  • Phospholipid

    End of molecule with the increased number of oxygen atoms; glycerol group and phosphate is hydrophillic. The fatty acid tails do not have oxygen atoms so do not react (hydrophobic). Soluble in water

  • Micelle

    Hydrophobic fatty acid tails turn inwards when introduced to water

  • Waxes

    Lipids that melt above 45C, very insoluble, and waxes reduce water loss from insect exoskeletons or plants.