Biochemistry

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Author:
icimmy
ID:
50183
Filename:
Biochemistry
Updated:
2010-11-23 09:30:09
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Test 2
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  1. Why is oxygen used in Electron Transport Chain?
    • Abundant
    • Diffuses very easily
    • Highly Reactive
  2. What are the 4 complexes of Electron Transport Chain?
    • I. NADH dehydrogenase complex
    • II. Succinate dehydrogenase complex
    • III. Cytchrome bc1 complex
    • IV. Cytochrome oxidase complex
  3. What do uncouplers prevent and how?
    They prevent ATP formation by disrupting the proton gradient.
  4. How many molecules of ATP are formed for each NADH that runs through the ETC?
    2.5
  5. What are an Isoprenoids?
    5 carbon molecule
  6. What are lipids?
    Organic molecules that dissolve in hydrophobic solvents.
  7. What are the lipid classes
    • Fatty Acid
    • Triacylglycerols
    • Wax esters
    • Phospholipids
    • Sphingolipids
    • Isoprenoids
  8. What is the difference between monounsaturated and polyunsaturated fatty acids?
    • Mono - one double bond
    • Poly- two or more double bonds
  9. What are essential fatty acids?
    Our body doesn't make then and we obtain through diet
  10. What are nonessential fatty acids?
    Can be made by metabolic synthesis
  11. What is saponification?
    Chemically base hydrolysis
  12. What is a glycolipid?
    A sugar and a fat
  13. What is facilitated diffusion?
    Molecules moving through a protein channel in the membrane
  14. What is simple diffusion?
    Molecules move through a membrane down a concentration gradient.

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