Biological Oxidation . Involves the transfer of electrons: oxidation being termed for the removal of electrons & reduction for gain of electrons Oxidation is always accompanied by reduction of an e - acceptor
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oxidation being termed for the removal of electrons
& reduction for gain of electrons
which can be expressed in the form of 2 half reactions
Reducing agent = e- donating molecule
Oxidizing agent = e- accepting molecule
They together make a conjugate redox pair.
A – H + ½O2 = A – OH
A + O2 = AO2
H2O2 + AH2 2H2O + A
Peroxisomes are rich in oxidases and catalases
- Oxygen is dound to the active site of the enzyme
- bound O2 is reduced or transferred to the substrate
Consists of two sets of enzymes
A – H + O2 + ZH2 A – OH + H2O + Z