Outline for Chapter 19: Oxidative Phosphorylation and Photophosphorylation

 

The mitochondrial electron transport system (ETS)

          Oxidation of cofactors (NADH and FADH2) by O₂

          The role of metalloproteins

          The structure of the mitochondria

 

The structure and chemistry of the ETS

          Complexes I, III, and IV, and also II

          The energy difference between electron carriers

          The path of electron transfer

          Generation of the H⁺ gradient

 

Oxidative phosphorylation by the f₀/f₁ ATPase

          Structure of the complex

          Role of protein conformational changes

          Collapse of the H⁺ gradient powers the machinery of ATP synthesis

 

Photosynthesis

Two classes of reaction, light and dark

 

Light harvesting apparatus

          Structure of chloroplasts

          Energy of the solar spectrum

          Nature of photo pigments

 

Structure and chemistry of the photo systems in higher plants

          PSII, quinones, the Mn water splitting complex

          The cytochrome b₆f complex and plastocyanin

          PSI, ferridoxins, and the NADP⁺ oxidoreductase

 

Energetics of photosynthetic light reactions

          Generation of NADPH

          Proton pumping and ATP synthesis in the thylakoid discs