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CELLULAR RESPIRATION. Glycolysis http://highered.mcgraw-hill.com/sites/0072507470/student_view0/chapter25/animation__how_glycolysis_works.html. Walsh Ingraham battle iron man http://www.youtube.com/watch?v=MTn1v5TGK_w. . C 6 H 12 O 6. +. 6O 2. 6CO 2. +. 6H 2 O. +. ATP. - PowerPoint PPT Presentation
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CELLULAR RESPIRATION
Glycolysishttp://highered.mcgraw-hill.com/sites/0072507470/student_view0/chapter25/animation__how_glycolysis_works.html
Walsh Ingraham battle iron manhttp://www.youtube.com/watch?v=MTn1v5TGK_w
CELLULAR RESPIRATION AS A REDOX REACTION
+
H
+H
+ –loses e- gains e- oxidized reduced
oxidation reduction
C6H12O6 6O2 6CO2 6H2O ATP+ + +
Cellular Respiration
ANAEROBIC A. Glycolysis:
AEROBICB. Pyruvate Oxidation & Citric Acid Cycle (Kreb Cycle)
C. Oxidative Phosphorylation
2007-2008
Cellular RespirationStage 1:
Glycolysis
Pi
3
6
4,5
ADP
NAD+
Glucose
hexokinase
phosphoglucoseisomerase
phosphofructokinase
Glyceraldehyde 3-phosphate (G3P)
Dihydroxyacetonephosphate
Glucose 6-phosphate
Fructose 6-phosphate
Fructose 1,6-bisphosphate
isomerase
glyceraldehyde3-phosphate
dehydrogenase
aldolase
1,3-Bisphosphoglycerate(BPG)
1,3-Bisphosphoglycerate(BPG)
1
2
ATP
ADP
ATP
NADH
NAD+
NADH
Pi
CH2
C O
CH2OH
P O
CH2 O P
O
CHOH
C
CH2 O P
O
CHOH
CH2 O PO
CH2OP
O
PO
CH2
H
CH2OHO
CH2 POO
CH2OH
P O
1st Glucose Priming
Pi6
4,5
NAD+
Glyceraldehyde 3-phosphate (G3P)
Dihydroxyacetonephosphate
Fructose 1,6-bisphosphate
isomerase
aldolase
ADP
NAD+Pi
CH2
C O
CH2OH
C
CH2 O P
O
CHOH
CH2 O P
O
CH2OP
H
PO
2nd Cleavage
Energy Harvest (5 reactions)
Payola!Finally some
ATP!
7
8
H2O9
10
ADP
ATP
3-Phosphoglycerate(3PG)
3-Phosphoglycerate(3PG)
2-Phosphoglycerate(2PG)
2-Phosphoglycerate(2PG)
Phosphoenolpyruvate(PEP)
Phosphoenolpyruvate(PEP)
Pyruvate Pyruvate
phosphoglyceratekinase
phosphoglycero-mutase
enolase
pyruvate kinase
ADP
ATP
ADP
ATP
ADP
ATP
H2O
CH2OH
CH3
CH2
O-
O
C
PH
CHOH
O-
O-
O-
C
C
C
C
C
C
P
P
O
O
O
O
O
O
CH2
NAD+
NADH
NAD+
NADH
G3PC-C-C-PPiPi 6
Glycolysis summary
4 ATP
ENERGY INVESTMENT
ENERGY PAYOFF
G3PC-C-C-P
NET YIELD
like $$in the bank
-2 ATP
Energy Transformations in Glycolysis
Glycolysis
glucose pyruvate2x6C 3C
In thecytosol?
Why doesthat make
evolutionarysense?
That’s not enoughATP for me!
• Breaking down glucose
Evolutionary perspective
• Prokaryotes
• Anaerobic atmosphere
• Prokaryotes that evolved glycolysis are ancestors of all modern life– ALL cells still utilize glycolysis
You meanwe’re related?
Do I have to invitethem over for the holidays?