"LP5 Assignment: Energy and Balance." For this assignment, I am to use the websites, learning materials and lab from this week and complete an internet search of my own on food energy. I will write a two-page essay that explains how energy values of foods are determined. I will include a definition of nitrogen balance and energy balance. I will also include a definition of nutrition, nutrients and essential nutrients and will provide an example of each. Nutrients, Nutrition and Essential Nutrients