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Ts used in cholesterol
Cholesterol is the most important steroid molecule.
Lipid
No it is organic
HDL cholesterol is considered good cholesterol and it actively removes bad cholesterol. HDL cholesterol levels greater than 60 milligrams is considered good but lower than 40 milligrams is considered bad.
HDL is considered bad cholesterol. Though all cholesterol is considered good in a way. The best thing to do is go see your doctor about your cholesterol. He can help you more than anyone else.
Energy storage.
Cholesterol is a big molecule, C27H46O. However, it is a single molecule, and thus a monomer. In cells cholesterol is normally embedded in cell membrane and makes hydrogen bonds with surrounding molecules. In the blood, it is also not found alone, but packaged with lipids (triglycerides) and lipoproteins. Thus when looking at cholesterol levels in the blood, people often refer to HDLs and LDLs. The proteins in HDLs and LDLs are also discrete units with a specific structure, but they are considered to be polymers of amino acids.
There are 27 carbon atoms in a molecule of cholesterol. 10 are not contained in the rings.
cholesterol
Probably the most hydrophobic molecule is the cholesterol molecule. It is composed mostly of fat and therefore will move away when exposed to water,
Vitamin D is produced in the skin, on exposure to UV (ultravoilet) radiation, from a modified cholesterol molecule; necessary for normal bone growth and function.