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2/10/15
Ch 9: Metabolism – Catabolism:
Glycolysis, Cellular Respiration &
Fermentation
controlled
ΔG = - 686 kcal/mole of glucose -> CO2 + H2O
For
eukaryotes
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process used
ecogroup
nutritional group
respiration
consumers
chemoheterotrophs
(energy + carbon)
(aerobic & anaerobic)
O2-photosynthesis producers
~in-between
photoautotrophs
photoheterotrophs**
*Non-O2 PS
producers
~in-between
photoautotrophs
photoheterotrophs
chemosynthesis*
producers
chemoautotrophs
fermentation
consumers
chemoheterotrophs
glycolysis alone*
consumers
chemoheterotrophs
* = prokaryotic only
** rare
Functional group transfer or release:
Substrate-level phosphorylation
Oxidative phosphorylation
Photophosphorylation
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Functional group transfer or release:
Decarboxylation
Redox reaction:
dehydrogenation of food & hydrogenation of NAD+
transfer H atoms
Internal rearrangement
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Glycolysis
Glycolysis:
the basics
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Glycolysis: Energy investment
what happens?
Glycolysis: Energy capture/ payoff
what happens?
Glycolysis:
the basics
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Preparatory/Transition Reaction: pyruvate oxidation
Any ATP produced?
Hans Krebs
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Why citric
acid cycle?
Citric acid cycle:
the basics
Citric acid cycle:
what happens?
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What are the
changes in
free energy?
(from:
http://www.uic.edu/
classes/bios/bios100/
lectures/respiration.htm)
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Electron Transport
Chain
(energy relationships)
Peter Mitchell
How does ATP
synthase work?
John Walker
Paul Boyer
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Why is this important?
Catabolism of food
Some controls on
the system
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How a body is built
Pyruvate is
a decision
point
2 examples of fermentation (there are more)
why?
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NO
http://cmapspublic2.ihmc.us/rid=1K6M2RXWB-YSQB36-14CV/15.4%20The%20Comparisons
%20Between%20Aerobic%20and%20Anaerobic%20Respiration.cmap?rid=1K6M2RXWBYSQB36-14CV&partName=htmljpeg
True
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