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What is cholesterol and what is its function in the human body? How is cholesterol synthesized?

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What is cholesterol and what is its function in the human body? How is cholesterol synthesized?

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Answer #1: Cholesterol is a type of lipid found in the plasma membrane of all tissues. It is a waxy, soft, fat-like substance also called sterol, an organic molecule this is composed of steroid and alcohol. Cholesterol is synthesized by endoplasmic reticulum or acquired by food and is found in body tissues and bloodstream. Cholesterol has many important functions in the body. It is required to build and maintain cell membranes and it also regulates the fluidity of the membrane over a wide range of temperatures. Cholesterol aids in the production bile and helps metabolize fat-soluble vitamins. Also important in cell signaling, cholesterol is a precursor for various steroid hormones. The total cholesterol level in the body is composed of LDL (low density lipoprotein aka good cholesterol), HDL (high density lipoprotein aka bad cholesterol) and triglycerides. Process of Cholesterol Synthesis: 1. HMG-CoA is formed by condensation of acetyl-CoA and acetoacetyl-CoA, catalyzed by HMG-CoA Synth

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