DIT 121 Exam 2 | 100% Correct | Verified | 2024 Version

What are the 3 main classes of lipids? - triglycerides: the most common type of lipid in food and the body phospholipids: for example, in cell membranes sterols: include cholesterol, vitamin D, some hormones. what is the main form of fat in the diet and the major storage form of fat in the body? - triglycerides what 2 types of molecules (and how many of each) join together to forma triglyceride? - glycerol + 3 fatty acids explain what is meant by saturated, monounsaturated, and polyunsaturated when referring to fatty acids. - monounsaturated: fatty acids have 1 double bond between carbons polyunsaturated: fatty acids have 2 or more double bonds between carbons saturated: no double bonds omega-3 fatty acids - have the 1st double bond after the 3rd carbon, counting from the methyl (CH3) group omega-6 fatty acid - have the 1st double bond after 6th carbon, counting from the methyl group which type of fatty acids (saturated or unsaturated) tend to make fats solid at room temperature? - saturated: saturated with hydrogens unsaturated: not saturated with hydrogen, can hold more hydrogen