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Lipids : Classification
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Dr Praveen Kumar Agrawal is teaching live on Unacademy Plus

Dr Praveen Kumar Agrawal
Ex - Faculty, Allen Kota, 22 Yrs Experience. Author - 17 books Known for best explanation Youtube : biology by pkagrawal

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  1. COURSE BIOMOLECULES Lesson Classification of Lipids Dr. Praveen Kumar Agrawal

  2. Classification of lipids Lipids are classified in to three major categories . 1. Simple lipids .2. Complex lipids and 3. Precursor or derived lipids. S.No Category Major types Major class Simple fats (Contain only fatty acids and glycerol) Functions and examples 1. Fats and oils Ester of fatty acids and glycerol, e.g., Mustard oil Esters of higher fatty acids and higher alcohols, e.g., Lanolin. Spermacetti Waxes

  3. 2. Phospholipids Lecithins Complex lipids (Contain fatty acids , glycerol and some other substance) e.g., Phosphatidylcholine e.g., Phosphatidylethanolamine e. g., 1-alkyl, 2-acetyl phosphatidylcholine (also called Platelet activation factor) e. g., Sphingomyelin. Mainly found in chloroplast membrane e.g., monogalactsyldiglyceride Help in lipid transportation Formanimal fats and increase cholesterol level. e.g., Palmitic acid, Stearic acid Form plant fats, decrease cholesterol Cephalins Plasmalogens Sphingolipids Glycosphingolipids Glycolipids Others Lipoproteins Derived or Precursor lipids (Product of lipid hydrolysis) 3. Fatty acids Saturated Unsaturated level e. g., Linoleic acid, Oleic acid etc. Sex hormones and hormones of adrenal cortex, cholesterol etc. e.g., Estrogens, Testosterone, Progesterone, cortisol etc. Steroids

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