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It is a fatty acid lipid [Lipids are Oils from Plant sources and Fats from Animal sources] that contains more than one [unsaturating] -C=C- double bond.

Saturation, in this instance, refers to the state where all potential Carbon sites of double bond formation are taken by hydrogen atoms.

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Whats the function of fats?

Fat is used as both an energy supply and insulation. The hump of a camel is filled with fat, which is slowly used up when there is no food to eat. Polar bears have a heavy layer of fat to protect their internal organs from the harsh temperatures of the Arctic. It is also used as a median for the transport of fat-soluble vitamins such as vitamin A, D, and K, etc. Consuming fat increases your satiety levels (feeling of fullness). Polyunsaturated fat can in fact reduce blood cholesterol, which can be beneficial for many people. The message here is not to cut fat out but to eat more healthy monounsaturated and polyunsaturated fats and less saturated fats.


Distinguish between a saturated and an unsaturated fat and list some unique emergent properties that are a consequence of these structural differences?

A fat is saturated when all of the carbon atoms in the fatty acid chains are bonded to at least two hydrogens. A fat is unsaturated when there is at least one double bond between carbons in the fatty acid chains, and it is polyunsaturated when there are multiple double bonds. The hydrocarbon chains of polyunsaturated fats bend at the places where there are double bonds and this causes them to have low melting points - the fat molecules do not align close together.


What is a fat that has one double bond between carbon atoms?

Those fatty acids which have several double bonds are called unsaturated fatty acids, for e.g, palmitoleic acid is of 16 carbon and contain one double bond at 9th position, Linoleic acid is consist of 18 carbon and have two double bond at 9th and 12th position respectively. Another is Arachidonic acid which is 20 carbon long and contain 4 double bonds on 5,8,11,14 position Unsaturated fatty acids are liquid at room temprature, and are loosley packed as compare to saturated fatty acids.


Do fat cells have pain receptors?

Yes, fat cells do not have pain receptors.


In fat metabolism which portion of the fat is processed by glycolysis?

In fat metabolism, the glycerol portion of the fat molecule is processed by glycolysis. Glycerol is converted into glyceraldehyde-3-phosphate, which then enters the glycolysis pathway to produce energy in the form of ATP.