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Biochemistry classes by Dr. V.S. Kumar at Kings

Biochemistry classes by Dr. V.S. Kumar at Kings

        Kings International Medical Academy is renowned as a leading coaching centre for FMGE, with a proven track record of exceptional results. Our outstanding achievements in FMGE stand as indisputable evidence of our excellence. We are honoured to have Dr. V.S. Kumar, a highly esteemed faculty member, deliver an enthralling lecture on Biochemistry at Kings International Medical Academy. Driven by their enthusiasm, our students are engrossed by his captivating insights. Today, let’s explore the subject of Lipids in depth.


  • Heterogeneous group of compounds
  • Not soluble in H₂O but are soluble in non-polar organic solvents like ether, chloroform, etc.


(Bloor’s classification)

  1. Simple lipids
  2. Complex lipids
  3. Derived lipids
  4. Miscellaneous lipids

Simple lipids

Esters of FA + glycerol

  • Fats 4 oils (FA + glycerol)
  • Waxes- FA + Alc. (other than glycerol)

Example: Bee wax, Lanolin

Complex lipids

FA + AIC (glycerol/sphingosine)

+ Additional group (NB + Po4⁻)

  • Phospholipids
  • Glycolipids
  • Amino lipids, Sulpho lipids, Lipo proteins


FA + AIC (G/s) + Po4⁻ + NB

Glycero- PL (Simplest, Phosphatidic acid)

Sphingo- PL


  • Nitro- B⁺
  • Nitro- B⁻

Nitro- B⁺

  1. Lecithin
  2. Cephalin
  3. Phosphatidyl Serine

Nitro- B⁻

  1. P.inositol
  2. P.glycerol
  3. Di-P glycerol/ Cardiolipin

Sphingo-PL – (FA + S + Po4⁻ + NB)


Neutral- Cerebrosides- Ceramide + mono

             -Globosides- Ceramide + oligo

Acidic- gangliosides- Ceramide + oligo + NANA (cialic) 

Derived Lipids

FA, Cholesterol, Glycerol

Miscellaneous lipids

Vitamin E, Vitamin K, Carotenoids, Squalene, Lanosterol

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