What is lipid and protien content in plasma membrane

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​Please find below the solution to the asked query                                

​Plasma membrane is made up of a two layers . This bilayer is composed of two layers of lipids (consists mostly of phospholipids and to a smaller extend of glycolipids). Glycolipids are generally found in the outside layer, whereas phospholipids are predominantly in the inside layer (cytoplasmic side). The other important component of the plasma membrane is protein. Proteins can be associated with the outside (peripheral) of the membrane or they extend throughout the entire membrane (transmembrane).  Plasma membrane has 50-50% of both lipids and proteins.  

Smooth endoplasmic reticulum synthesizes the lipids while proteins are synthesized on the ribosomes and their further modifications take place in the endoplasmic reticulum and golgi apparatus.    

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Endoplasmic Reticulum
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I don't have a number, but almost all of the membrane is lipids or proteins.? Only a small portion is made of carbohydrates.
The phospholipids are lipids, and they are the base structure of the membrane.? Then cholesterol (lipid) adds structure to the very fluid phospholipids.? Then proteins are added to produce most of the functional portion of the membrane, allowing for particles to cross, propagating signals, etc.
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