The Thermodynamic Machinery of Life

Przednia okładka
Springer Science & Business Media, 9 lip 2006 - 431
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Thermodynamics was created in the ?rst half of the 19th century as a theory designed to explain the functioning of heat engines converting heat into mechanical work. In the course of time, while the scope of research in this ?eld was being extended to a wider and wider class of energy transformations, thermodynamics came to be considered as a general theory of machines identi?ed with energy transducers. Imp- tant progress in biochemistry in the ?rst half of the 20th century, and in molecular biology in the second half, made it possible to think of treating even living organisms as machines, at least on the subcellular level. However, success in applying thermodynamics to elucidate the phenomenon of life has been rather mitigated. Two reasons seem to be responsible for this unsatisfactory s- uation. Nineteenth century thermodynamics dealt only with simple (homogeneous) systems in complete equilibrium. Although during the 20th century a nonequilibrium thermodynamics was developed, sta- ing with the Onsager theory of linear response and ending with the Prigogine nonlinear theory of dissipative structures, these theories still concern the originally homogeneous systems. Because living organisms are complex systems with a historically frozen spatial and functional structure, a thermodynamics of both nonequilibrium and complex s- tems is needed for their description. The ?rst goal of the present book is to formulate the foundations of such a thermodynamics.
 

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Spis treści

An Experimental Tool of Biology
1
Thermodynamic State
35
Origins and Evolution of Life
65
Molecular Biology of the Eukaryotic Cell 91
90
Chemical Reactions
141
1
156
Enzymatic Catalysis 173
172
Biological Free Energy Transduction
197
A Thermodynamic Supplement
263
B Stochastic Processes
285
18
288
52
294
Structure of Biomolecules
315
Dynamics of Biomolecules
349
References
389
Index 413
412

Lack of Partial Thermodynamic Equilibrium
225

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