ydrogen atoms ??? ??? ??? Cholesterol an animal sterol that is normally synthesized by the liver ??? ??? ??? Unsaturated fat A lipid made from fatty acids that have at least one double bond between carbon atoms ??? ??? ??? Visible fat are fats that are obvious to see such as butter, margarine, separate cream, salad oils, lard ect. ??? ??? ??? Invisible fat not so visible fats such as cheese, egg y