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In the presence of O2...
3 different stages occur:
- 1.) Glycolosis
- 2.) Kreb's Cycle
- 3.) Electron Transport Chain
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Chemical form of C.R.
6O2+C6H12O6-->6CO2+6H2O+ENERGY
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Glucose =
starting molecule for glycolosis
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2 Types of Fermentation
- 1.) Alcoholic
- 2.) Lactic Acid
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Alcoholic Fermentation
- * used by yeasts + other microorganisms to produce beer, wine, + CO2 for bread to rise
- * pyruvic acid+NADH->alcohol+CO2+NAD+
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Lactic Acid Fermentation
- * produced in your muscles during rapid exercise
- *causes a painful burning sensation
- * pyruvic acid+NADH->lactic acid+NAD+
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Celllar Respiration only occurs in the presence of...
O2
-
Anaerobic organisms
don't do cellular respiration
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One turn of the Kreb's Cycle produces:
- 1 molecule of ATP
- 4 NADH = e- carrier molecule
- 1FADH2 = e- carrier molecule
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The e-'s in the carrier molecules (*) are passed to the % to convert xxx->xxx
- (*NADH, FADH2)
- % Electron Transport Chain
- x: ADP->ATP
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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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