Depending on the particular chemistry the precipitate may or may not settle. Precipitation occurs when a <i>medium</i> in which a substance had previously been absorbed/dissolved, suffers a change so that the substance can no longer be supported in suspension.
Cholesterol is a soft, waxy substance found in all of your body's cells. Your body needs it in order to work properly. This is because your body uses cholesterol to hold cells together. Your body also uses it to make hormones, vitamin D, and substances that help you digest foods.holesterol is a soft, waxy substance found in all of your body's cells. Your body needs it in order to work properly. This is because your body uses cholesterol to hold cells together. Your body also uses it to make hormones, vitamin D, and substances that help you digest foods.
Introduction. Cholesterol is a fatty substance known as a lipid and is vital for the normal functioning of the body. It's mainly made by the liver, but can also be found in some foods.Having an excessively high level of lipids in your blood (hyperlipidemia) can have an effect on your health.holesterol is not an alcohol. Cholesterol is a sterol (a combination steroid and alcohol) and a lipid found in the cell membranes of all body tissues, and transported in the blood plasma of all animals. Lesser amounts of cholesterol are also found in plant membranes.