Respond to the following questions:

1)Describe how glycine and tryptophan are provided for the body under normal dietary conditions. What about under conditions of malnutrition?
2)Describe the physical characteristics of unsaturated and saturated fats. Can an unsaturated fat become a saturated fat? What are the health implications of a diet high in saturated and trans fats?
3)Explain why blood glucose levels will rise in an athlete just prior to a big race. The same thing will happen in an individual under stress.