question 1.  What is the role of fat in the diet?

question 2. Fats form several substances known as lipids. There are three types of lipids found in foods. Triglycerides have already been mentioned. What are the other two? What is the chemical structure of a triglyceride? What are the sources of cholesterol? What are trans fatty acids and what role do they play in our cardiovascular health?

question 3. How much of these two essential fatty acids do we need each day?

question 4. What role do proteins play in the body?

question 5. What are some of the side chains and are they grouped according to function or Structure?,

question 6. Why do you think body builders still use supplements of amino acids?