Out of all lipid compounds; three types of lipids are more common. They are also called as neutral fats. The triglycerides have ester as functional group which comprised of one glycerol molecule (1,2,3-trihydroxypropane) combined with three fatty acids molecules.ipids are primarily involve in the formation of cell membranes which is a bilipid layer and present in all living things like bacteria and human. Lipids also present in the form of more complex structures such as cholesterol and other biologically active molecules in living systems.
Senior residents are residents in their final year of residency. Some residency programs refer to residents in their final year as chief residents (typically in surgical branches). Alternatively, a chief resident may describe a resident who has been selected to extend his or her residency by one year and organize the activities and training of the other residents (typically in internal medicine and pediatrics).
The term senior wardens, student wardens or senior mentors is a position in UK universities similar to that of the resident assistant in the USA.