Geometrical Isomers :- (i) E & Z Isomers, (ii) Cis and Trans Isomers, (iii) 𝞪 and 𝛃 Isomers

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FLUID MOSAIC MODEL : - GENERAL CONSIDERATION ; CHAPTER OF MEDICINAL CHEMISTRY I

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FLUID MOSAIC MODEL :- 

                                The gastrointestinal membrane consists of bilayered lipid membrane, which is covered on each side by protein layers, with lipid molecule oriented perpendicular to the cell surface.

  • Membrane :-  They usually determine which particles can pass through membrane. They serve as enzymes for many reactions. they also act as markers recognised by chemicals and molecules from inside and out side cell 
  • Shape :- The membrane is fluid at physiological temperatures and allows cell to change shape due to physical constrains or changing cellular volumes. 
  • Function :- Diffusion ; It allows free diffusion of some small molecules such as oxygen, carbon dioxide and small hydrocarbons; but not water charged ions or other larger molecules such as glucose. This semipermeable nature of the membrane allows the cell to maintain composition of cytosol independent of the external environment.
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