Chem230 exam 4 (part 2)

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melissag94
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290497
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Chem230 exam 4 (part 2)
Updated:
2014-12-02 22:05:51
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chapter 17 organic chem fall 2014
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Chapter 17 Fall 2014
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  1. made up of 4 fused ring
    steroid
  2. types of lipids containing fatty acids?
    • waxes
    • fats and oils
    • glycerophospholipids
    • prostaglandins
  3. lipids that do not contain fatty acids
    steroid
  4. fatty acids are ___ in water
    insoluble
  5. saturated fatty acid has?
    single carbon bond, no double bonds
  6. unsaturated fatty acid has?
    one or more double carbon bond
  7. properties of saturated fatty acids?
    • solid at room temp
    • high melting points
  8. properties of unsaturated fatty acids?
    • low melting points
    • liquid at room temp
  9. saturated with 18 carbons
    stearic acid and oleic acid
  10. 16 carbons with no double bond
    palmitic acid
  11. 16 carbons with double bond
    palmitoleic acid
  12. essential fatty acid that the body does not make
    linoleic acid
  13. makes arachidonic
    linoleic
  14. act like hormones in controlling the bodys processes
    prostaglandins
  15. cyclic compounds including a 5- carbon ring with 20 carbons and unsaturated
    prostaglandins
  16. processes regulated by eicosanoids?
    • blood clotting
    • inflammatory response
    • reproductive system
    • gastrointestinal tract
    • kidneys
    • respiratory tract
  17. created through a dehydration reaction out of a fatty acid and alcohol
    wax
  18. properties of waxes?
    • solid at room temp
    • form saturated fatty acid with long chain alcohol
  19. reaction involving alcohol  and acid?
    esterification
  20. glycerol forms ester bonds with three fatty acids
    triglycerides
  21. fats and oils are aka
    triglycerides
  22. formation of triglyceride?
    glycerol + three fatty acids
  23. backbone of triglyceride always?
    stays the same
  24. triglycerides are sat or unsat?
    saturated
  25. melting point fat?
    solid at room temp
  26. melting point oils?
    liquid at room temo
  27. have more unsaturated fatty acids and have cis double bonds that cause kinks in the fatty acid chains
    oils
  28. oils have __ melting points that saturated fatty acids
    lower bc they are unsaturated
  29. double bonds in unsaturated fatty acids react with H2 in the presences of a Ni or Pt catalyst
    hydrogenation
  30. ester bonds are split by water in the presence of an acid, a base or an enzyme
    hydrolysis
  31. during ____ , some cis bonds are converted to trans bonds
    hydrogenation
  32. T or f, there are more unsaturated fats in vegetable oils
    true
  33. t or f, vegetable oils have higher melting points than fats
    false
  34. t or f, hydrogenation of oils converts some cis double bonds to trans double bonds
    true
  35. t or f, animal fats have more saturated fats
    true
  36. when add water to ester is splits into?
    acid and alcohol
  37. reaction of a fat with a strong base
    saponification
  38. these are made up of unsaturated chain, saturated chain and phosphate groups with an amino acid attached to phosphate group
    phosphoglycerides
  39. glycerol trioleate is classified as?
    triglyceride
  40. cephalin is classified as?
    phosphoglyceride
  41. choline is classified as?
    amino alcohol
  42. palmitic acid is classified as?
    fatty acid
  43. have NO fatty acids
    steroids
  44. most abundant steroid in the body
    cholesterol
  45. structure of steroid?
    • 6 membered ring
    • 1 cyclopentane ring
    • no fatty acids
  46. clogs arteries and is the bad cholesterol
    LDL
  47. good cholesterol, brings cholesterol to liver
    HDL
  48. are soluble in water because the surface consists of polar lipids
    lipoproteins
  49. ex of lipoproteins?
    LDL and HDL
  50. moves cholesterol to liver
    HDL
  51. carry cholesterol to cells and deposit excess cholesterol in arteries
    LDL
  52. steroids are
    hormones
  53. steroid hormones?
    • sex hormones
    • adrenocortical hormones
  54. bad type of steroids
    anabolic steroids
  55. cholesterol is classified as
    steroid
  56. stearic acid is classified as
    fatty acid
  57. glyceryl tristearate is classified as
    triglyceride
  58. estradiol is classified as
    steroid
  59. contains no fatty acids
    steroids
  60. lipid bilayer is made up of?
    • phosphate group (hydrophilic)
    • fatty acid (hydrophobic)

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