Essay on Lipids

1344 WordsJun 27, 20146 Pages
Unit 2 Assignment Ashley Hanzlik Kaplan University A lipid is a fat-soluble molecule or a class of naturally-occurring organic compounds. We best known lipids by their common names: fats and oils. Lipids are insoluble in water but soluble in at least one organic solvent. They do not share a common molecule structure. Lipids main function is to store energy. Lipids offer readily available energy. There are several different types of lipids. The largest class is called triglycerides or fats, the primary function of fats is energy storage. Examples of fats are margarine or vegetable oil. Steroids are another example of lipids. Steroids main function is hormones which enters cells and initiates specific chemical reactions. The most common steroid is cholesterol, but another example would be estrogen. Another example of a lipid is Phospholipids which is a derivative of triglycerides. The main function is to form basis of cellular membranes, and example is phospholipid bilayer of the cellular membrane. As you can see lipids are an important part of the body. The body needs lipids to operate properly. Many lipids can are able to cross the membrane on their own, the lipids that cannot move across on their own get help by permeation which is the diffusion through a barrier of a substance of solution. The body can synthesize most of the fats it needs from the diet. There are two essential fatty acids however, that cannot be synthesized and must be obtained from food. These acids are called linolenic and linoleic acid. These basic fatty acids are used to build specialized fats called omega 3 and omega 6. There are many benefits to these specialized fats. It is important to consume sources of omega 3 and omega 6 daily as they are important in the normal functioning of all tissues of the body. If you have a deficiency of either omega 3 or omega 6 it can lead to a number

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