<span>Lipids are an energy rich fuel source. They include fatty acids (fats), oils, waxes and steroids, such as cholesterol and can be found both in plants and animals. Lipids provide the body with nine calories per gram, making them the most energy rich component of food. So, the answer is that : Lipids are high in Calories and could be used for energy storage in animals.</span>
It would never be okay to send your boss that type of response. It's all about texting etiquette.. and well, texting back, "K" or "Txt you later" isn't it chief.
