On The Mechanism of Regulation of Cellular Respiration. The Dependence of Respiration on the Cytosolic [ATP], [ADP] and [PI]

  • Maria Erecińska
  • David F. Wilson
Chapter
Part of the Advances in Experimental Medicine and Biology book series (AEMB, volume 92)

Abstract

Mitochondrial oxidative phosphorylation consists of two types of reactions: electron transfer reactions and ATP-synthesizing reactions. Electron transfer from the reducing substrates to molecular oxygen occurs down the electrochemical potential gradient and is therefore accompanied by a negative free energy change. ATP synthesis is, on the other hand, an energy-requiring process which cannot occur spontaneously unless it is linked to another energy yielding reaction. In vivo in the cell, the obligatory coupling between the mitochondrial redox reactions and ATP synthesis provides the latter with the necessary “energetic push”.

Keywords

Adenine Nucleotide Energy Charge Adenylate Kinase Mitochondrial Oxidative Phosphorylation Candida Utilis 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Plenum Press, New York 1978

Authors and Affiliations

  • Maria Erecińska
    • 1
  • David F. Wilson
    • 1
  1. 1.Department of Biochemistry and BiophysicsUniversity of PennsylvaniaPhiladelphiaUSA

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