Biology

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Author:
Anonymous
ID:
194
Filename:
Biology
Updated:
2009-10-12 00:00:44
Tags:
bio
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Description:
Chapter 9: Cellular Respiration
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  1. In the presence of O2...
    3 different stages occur:
    • 1.) Glycolosis
    • 2.) Kreb's Cycle
    • 3.) Electron Transport Chain
  2. Chemical form of C.R.
    6O2+C6H12O6-->6CO2+6H2O+ENERGY
  3. Glucose =
    starting molecule for glycolosis
  4. 2 Types of Fermentation
    • 1.) Alcoholic
    • 2.) Lactic Acid
  5. Alcoholic Fermentation
    • * used by yeasts + other microorganisms to produce beer, wine, + CO2 for bread to rise
    • * pyruvic acid+NADH->alcohol+CO2+NAD+
  6. Lactic Acid Fermentation
    • * produced in your muscles during rapid exercise
    • *causes a painful burning sensation
    • * pyruvic acid+NADH->lactic acid+NAD+
  7. Celllar Respiration only occurs in the presence of...
    O2
  8. Anaerobic organisms
    don't do cellular respiration
  9. One turn of the Kreb's Cycle produces:
    • 1 molecule of ATP
    • 4 NADH = e- carrier molecule
    • 1FADH2 = e- carrier molecule
  10. The e-'s in the carrier molecules (*) are passed to the % to convert xxx->xxx
    • (*NADH, FADH2)
    • % Electron Transport Chain
    • x: ADP->ATP
  11. Oxygen's role in the e.t.c. is:
    meaning...
    • - it's the final e- acceptor in the chain
    • - it's needed to get rid of (low E e-'s + H+) = wastes of CR

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