Dehydrogenation

Decarboxylation

Oxidation

Transamination

NADH

ATP

FADH2

NADPH

2

pyruvate, ATP, NADH

CO₂,

H₂O, and ATP

Glucose

and oxygen

Acetyl-CoA,

CO₂

Chemoheterotroph — glucose

Photoautotroph — CO2

Photoheterotroph — light

Chemoautotroph — NH3

Cytoplasm

for prokaryotes and mitochondrial inner membrane for eukaryotes

Both

in mitochondrial matrix

Both in

cytoplasm

Cytoplasm

for prokaryotes and mitochondrial matrix for eukaryotes

It does

not require oxygen

It

uses the ETC

It

generates more ATP

It

produces glucose

Fermentation

byproduct

Inhibits

enzyme activity

Enters

the Krebs cycle

Final

electron acceptor

Breaking

down large molecules

Oxidizing

glucose to CO₂

Releasing

energy

Using

energy to build larger molecules