Chapter 9
Cellular Respiration:
Harvesting Chemical
Energy
Rs - Equation
Respiration - Preview
Focus of Chapter
1. Purpose - what is the
reaction suppose to do?
2. Location - where is it at?
3. Requirements - what is
needed to make it run?
4. Products - what does it
produce?
Oxidation
Reduction
Xe-
+ Y  X + Ye-
C4H6O5 + NAD+ C4H4O5 + NADH + H+

C6H12O6 + 6O26CO2 + 6H2O + Energy
Redox reactions
Redox reactions
Phosphorylation
Phosphorylation
Cell Respiration - parts
Glycolysis
Glycolysis
Electron Carrier
Compounds
NAD
Glycolysis -Requirements
Glycolysis - Products
Net Result
Energy Investment Phase
Energy Harvest Phase
Krebs Cycle
Krebs Cycle
Formation of Acetyl CoA
Krebs Cycle -Requirements
Krebs Cycle - Products
Krebs Cycle
Comment
Electron Transport
Chain
ETC
ETC
ETC - Requirements
ETC - Products
ETC - ATP Yields
Chemiosmotic
Hypothesis
ATP Synthase
Alcoholic Fermentation
Alcoholic Fermentation
Lactic Acid
Fermentation
Lactic Acid
Fermentation
Fermentation Summary
Aerobic vs Anaerobic
Strict vs. Facultative
Question
Since
yeast can do both
aerobic and anaerobic Rs,
which is the better process if
given a choice?
ATP yields by Rs type
Aerobic ATP yield
ATP Sum
However...
Yeast
Importance of Rs
Swiss Cheese
Holes
are bubbles of CO2
from fermentation.
Summary
Know
the 3 main reactions of
Rs and the 4 required items
for each.
Appreciate the importances
of Rs.