A cell is the unit of life. Every cell and the tiny organelles inside it are structurally made of cholesterol and phospholipids as important part of it. Without these the cell membrane can not maintain its important functions of selective permeability, stability and ability to ingest or extrude important metabolic ingredients. Let us imagine a nicely constructed room made of brick-wall laid with cement and channels for wires and pipes. Letus imagine the cement is cholesterol. Let us imagine that...
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