They protect the floating leaves of aquatic plants against wetting. Waxes form a protective layer over the animal fur.In animals, the tats produce a shock absorbing cushion around eyeballs, gonads, kidneys and other vital organs. Subcutaneous fat rounds off the body contours of animals and human beings.Cholesterol forms vitamin D on exposure to UV rays.Therefore, fats stored in oilseeds (e.g., groundnut, mustard, castor, sunfiower, cotton, coconut) not only provide energy but also raw materials for the growth of the embryo. Fats can be converted to carbohydrates.

Cholesterol is an essential component of animal plasma membrane.Steroids are essential for growth and flowering in plants.They act as chemical coordinators and also stimulate anabolism.Plant oils are used as low cholesterol in fat.In animals, fat occurs as droplets (adipocyte), and provides protection against low temperature,.It serves as a food reserve in both plants and animals.Membrane Transport - Cell Membrane, Lipid Bilayer | Biology Ideas

Structure of lipids download free