The plasma membrane consists mainly of

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(B) The correct answer is $(B)$.According to the fluid mosaic model,the plasma membrane is composed of a phospholipid bilayer in which protein molecul

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proteins embedded in a phospholipid bilayer

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(B) The correct answer is $(B)$.According to the fluid mosaic model,the plasma membrane is composed of a phospholipid bilayer in which protein molecules are embedded.Lipids $(20-79\%)$,proteins $(20-70\%)$,carbohydrates $(1-5\%)$,and water $(20\%)$ are the main components of the plasma membrane.Lipid molecules,primarily phospholipids,are amphipathic (having both hydrophobic and hydrophilic ends) and form a bilayer structure.Protein molecules are distributed throughout this bilayer,either partially or totally embedded (intrinsic/integral proteins) or attached to the surface (extrinsic/peripheral proteins).

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