A  Brief Review of Cellular Respiration

Location

 
Fuel Molecule Catabolic Pathways Fuel Fragments Energy Produced
Major Respiration Pathway:
Aerobic Respiration
When Oxygen  Is Available
All Cells Glucose 1.  Glycolysis
(Cytoplasm)

2.  Krebs Cycle
(inner mitochondria space)

3.  ETC
(inner membrane of mitochondion)

Carbon dioxide, CO2
Water, H2O
1.  Glycolysis
       2ATPs

2.  Krebs Cycle
(inner mitochondria space)
       2 ATPs

3.  ETC
(inner membrane of mitochondion)
        34 ATPs

Minor Respiration 
Pathway:
Anaerobic Respiration.
(Fermentation)
When Oxygen Is Not Available

 

Muscle Cell
 
 
 

Yeast Cell
 

 

Glucose
 
 
 

Glucose
 

 


Glycolysis
(cytoplasm)
 
 
 

Glycolysis
(cytoplasm)
 
 

 

Lactic Acids
Carbon dioxide
(CO2)
 

Ethanol
Carbon dioxide
(CO2)

2ATPs
 
 
 
 
 

2ATPs

        *:  ETC:  Electron Transport Chain