QUESTIONS FOR CHAPTER 5: The Lipids 1. Name 3 functions of fat in the diet? 2. N
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Question
QUESTIONS FOR CHAPTER 5: The Lipids 1. Name 3 functions of fat in the diet? 2. Name 3 functions of fat in the body? 90% of dietary fat is called a . This is made of fatty acid. 4. A fatty acid missing hydrogen is called an 5. A fatty acid full of hydrogen is called a 6. Give an example of a food source high in: fatty acid Example of Food Source a) b) c) d) a) saturated fat b) monounsaturated fat c) polyunsaturated fot d) cholesterol 7. Where in the body does lipid digestion begin? smell intestine What are the end products of triglyceride digestion in the body? slycmiod and Satth ocid 8. What is the general term for how lipids transported in the body? 9. Which lipoprotein takes cholesterol and fat to the body tissues? 10. Which lipoprotein removes cholesterol and fat from the body tissues? 11. Which lipoprotein carries just eaten trighycerides? 12 What does hydrogenation do to fats? 13. Name 4 risk factors for heart disease that you can controlExplanation / Answer
1) Dietary fats are important to give energy and to support cell growth in body. It contributes to bone and teeth growth, cell division, and helps moisturize skin, eyes and mucous membranes. They also help protect organs and help keep body warm.It provides energy, absorbs certain nutrients and maintains temperature of the body. It functions as a heat transfer medium and contributes flavour and texture to foods.
2) The main function of fats in the body is to provide energy.
It helps in the formation of structural material of cells and tissues.
Fats also carry the fats soluble vitamins A, D, E and K into the body and help in the absorption of these vitamins in the intestines.
Fats can also be stored in body for subsequent use.
3) 90% of dietary fats are called triacylglycerols or triglycerides. This is made up of one unit of glycerol + 3 fatty acids.
4) A type of fatty acid missing hydrogen is called unsaturated fatty acids