Question

1. What is the primary source of carbohydrates for humans? 2.Name one type of food that you eat that contain significant amountof carbohydrates. 3. What are the subunits that nucleic acids aremade of? Briefly explain the difference between DNA and RNA. 4. Howis the chemical composition of lipids different than the threeother macromolecules? Name one reason why we need fat in our diet.5. Briefly describe three different roles of proteins in your bodyand name one type of food that you eat that has high proteincontent.