Cell membrane

  • 0_1566445015912_20190822_090634.jpg
    Ans 1
    Why is 2 not incorrect

  • @siddhartha-ghosh
    You are right
    Ans will be option 2

    Phospholipids are a class of lipids that are a major component of all cell membranes. They can form lipid bilayers because of their amphiphilic characteristic. The structure of the phospholipid molecule generally consists of two hydrophobic fatty acid "tails" and a hydrophilic "head" consisting of a phosphate group.
    cell membrane is asymmetric is because when the proteins are synthesized by the preexisting membranes, they are inserted into the membrane in an asymmetric manner. ... The molecules or ions in this diffusion pass through the membrane by using specific transmembrane transport proteins.

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