When you click on a topic below, you will be presented with a series of 20-30 questions. The questions will be presented randomly, so in order to complete the set you should do so in one sitting. You must attempt to answer each question in order to proceed to the next question. When you answer incorrectly, read the feedback and try again until you get it correct. Protein Protein is one of the macronutrients.
Protein is made up of amino acids, which contain carbon, oxygen, hydrogen and nitrogen.
There are many services provided by lipids, but the most important function of fat is to provide energy. When ingested in excess, fat also contributes to certain diseases, such as, obesity and atherosclerosis. Carbohydrates The primary goal of carbohydrates is to supply energy. They are built of simple sugars and appear in all plant foods and milk. They make possible processes by which other nutrients are digested, absorbed and metabolized.