Card Set Information

2012-04-15 17:43:10

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  1. What is a substance that promotes normal growth and repair?
  2. What are the 3 major nutrients?
    carbs, lipids, proteins
  3. What are the 2 nonmajor nutrients?
    vitamins and minerals
  4. What are most carbohydrates derived from?
  5. What is the product of breaking down carbs?
  6. What is the product of breaking down proteins?
    amnino acids
  7. What is the product of breaking down lipids?
    • fatty accids
    • monoglycerides
  8. What process is used to break down nutrients?
  9. Whyat 3 enzymes are needed to make glucose from carbs?
    • salivary amylase
    • pancreatic amylase
    • brush border enzymes
  10. What pH do enzymes work best at?
    pH 7
  11. How do carbs enter the capillaries?
  12. What 2 things happen to glucose?
    • used ATP
    • stored glycogen or fat
  13. What do you have to do to comprimise for incomplete proteins in your diet?
    pair them together to make a complete protein
  14. Where does digestion of proteins begin?
    in the stomach
  15. What enzyme in the stomach breaks down protein?
  16. What 2 enzymes break down proteins in the small intestine?
    • pancreatic enzymes -trypsin
    • brush border enzymes
  17. What are 2 kinds of proteins used by the body?
    structural and functional
  18. What do structural proteins function as?
    collagen and fibers
  19. What 3 things do functional proteins make?
    enzymes, hormones, antibodes
  20. What are 2 dietary lipids?
    • triglycerides
    • essential fatty acids
  21. Where are triglycerides found?
    animal and plants
  22. Where are essential fatty acids found?
  23. Where does digestion of lipids begin?
    small intestine
  24. What 2 chemicals are needed for emulsification of lipids?
    • bile salts
    • pancreatic lipase
  25. Where are glycerol and short chain fatty acids absorbed to?
    capuillary beds of villi
  26. Where are longer fatty acid chains and monoglycerides absorbed into?
    lymph > lacteals
  27. What 3 functions do lipids have?
    • absorption of vitamins
    • fuels energy
    • component of cell membrane
  28. What enzymes are used to break down nucleic acids and where are they?
    • pancreatic ribonucleases abd deoxyribonuclease
    • small intestine
  29. Where are nucelic acids absorbed?
    in small intestine by villi
  30. What is the difference between vitamins and mineral?
    • vitamins are organic
    • minerals are inorganic
  31. What do vitamins function as?
    • antioxidants
    • coenzymes
  32. What 3 cycles are involved in making glucose to ATP?
    • glycolysis
    • Krebs cycle
    • oxidative phosphorylation
  33. What 3 vitamins are synthesized in the body?
    • D - skin
    • K - intestinal bacteria
    • B - beta carotine in organs