Oxidation and Electron Transport
Oxidation and Electron Transport
1.Purpose1.1 Master the extraction method of animal tissueorganelles1.2 Understand the location of biological oxidationprocess in the body3. Understand the different transport pathways throughwhichenzymes remove hydrogen from differentsubstrates
1. Purpose 1.1 Master the extraction method of animal tissue organelles 1.2 Understand the location of biological oxidation process in the body 3. Understand the different transport pathways through which enzymes remove hydrogen from different substrates
2.PrincipleIn the process of biological oxidation, the hydrogenremoved from the metabolic substrate is handedover to different coenzymes, and then transferredthrough a series of electron transporters, and finallycombined with oxygen to form water
In the process of biological oxidation, the hydrogen removed from the metabolic substrate is handed over to different coenzymes, and then transferred through a series of electron transporters, and finally combined with oxygen to form water. 2. Principle
2.PrincipleThese oxidoreductases and their coenzymes, whichare present on the inner mitochondrial membrane, arearranged sequentially and play the role of transportingelectrons or electron protons, which is called theelectron transport chain or respiratory chain.On the inner mitochondrial membrane, there are tworespiratorychains:
These oxidoreductases and their coenzymes, which are present on the inner mitochondrial membrane, are arranged sequentially and play the role of transporting electrons or electron protons, which is called the electron transport chain or respiratory chain. On the inner mitochondrial membrane, there are two respiratory chains: 2. Principle
2.PrincipleNADH+H+.-FMNCoQCytochrome0.02FADH, CoQCytochrome
NADH+H+ FMN CoQ Cytochrome O2 FADH2 CoQ Cytochrome O2 2. Principle