LIPID REVIEW - PowerPoint PPT Presentation

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  1. LIPID REVIEW Dr. E

  2. Lipids • A. Hydrophobic • B. Hydrophillic • C. Nonpolar • D. Polar • E. Both A & C • F. Both A and C

  3. Lipids • A. Have a large number of carbon-hydrogen bonds • B. Have markedly fewer oxygen’s than carbohydrates • C. May have formula C50H110O6 • D. May have formula C50H100O50 • E. A, B, and C

  4. All are types of lipids EXCEPT: • A. Fats • B. Starch • C. Steroids • D. Phospholipids • E. Triglycerides

  5. Lipids • A. soluble in water • B. Insoluble in water

  6. All are functions of lipids EXCEPT: • A. Long term energy storage • B. Insulation • C. Act as enzymes • D. Act as hormones • E. Cushioning

  7. Lipids are major component of: • A. Plant cell wall • B. Fungal cell wall • C. Cell membrane • D. Exoskeleton of insects • E. None of the above

  8. Fats are composed of: • A. One glycerol & three fatty acids • B. One glycerol & three phospholipids • C. One glycerol and three glycogens • D. One glycerol and three polysaccharides • E. None of the above

  9. Fats containing fatty acids with chains of carbon with only single bonds • A. Are saturated • B. Are monounsaturated • C. Are polyunsaturated • D. Contain less than the maximum number of hydrogen’s • E. Both A and D

  10. Fats containing fatty acids with chains of carbon with one or more double bonds • A. Are saturated • B. Are unsaturated • C. Have the maximum number of double bonds • D. Are polysaturated • E. Both B and C

  11. Liquid at room temperature • A. Saturated fatty acids • B. Unsaturated fatty acids

  12. Solid at room temperature: • A. Saturated fatty acids • B. Unsaturated fatty acids

  13. Healthier • A. Saturated fatty acids • B. Unsaturated fatty acids

  14. Derived from plants: • A. Saturated fatty acids • B. Unsaturated fatty acids

  15. Derived from animals: • A. Saturated fatty acids • B. Unsaturated fatty acids

  16. Phospholipids • A. Make up cell wall in plants: • B. Make up cell wall in fungi • C. Make up cell membranes • D. Make up exoskeleton of insects • E. All of the above

  17. What has a hydrophilic head and a hydrophobic tail? • A. Phospholipid • B. Steroid • C. Triglyceride • D. Fats • E. All lipids

  18. What is another name for fats? • A. Triglyceride • B. phospholipids • C. Steroids • D. Glycogen • E. Polysaccharides

  19. How many layers of phospholipids in a cell membrane? • A 1 • B. 2 • C. 3 • D. 4 • E. 5

  20. What has a four ring structure? • A. Triglyceride • B. phospholipids • C. Steroids • D. Glycogen • E. Polysaccharides

  21. What type of lipid is responsible for sex hormones? • A. Triglyceride • B. phospholipids • C. Steroids • D. Glycogen • E. Polysaccharides

  22. What is the precursor of all steroids? • A. Cholesterol • B. Triglycerides • C. Phospholipids • D. Polysaccharides • E. Glycogen

  23. A diet high in what causes heart disease, cancer, & stroke? • A. Saturated fatty acids • B. Unsaturated Fatty acids • C. Cholesterol • D. Chitin • E. Both A and C