Origins of life on the earth and in the cosmos / Geoffrey Zubay.

Origins of Life on the Earth and in the Cosmos, Second Edition, suggests answers to the age-old questions of how life arose in the universe and how it might arise elsewhere. This thorough revision of a very successful text describes key events in the evolution of living systems, starting with the creation of an environment suitable for the origins of life. Whereas one may never be able to reconstruct the precise pathway that led to the origin of life on earth, one can certainly make some plausible reconstructions of it. Such discussions have greatly expanded our understanding of the principles of chemical evolution and how they compare and contrast with the principles of biological evolution. The text is strong on biochemistry and its recent applications to origins' research. * Provides an excellent review of basic biochemistry an evolution * Written in a clear, concise style for scientists, students, and readers interested in a scientific inquiry into the origins of life * Written by an authority in the field, and brought fully up-to-date in light of new research * Pulls together valuable information not found in a single source * Organized and presented in a manner conductive for use in a college course * Heavily illustrated to make difficult concepts concrete.

Origin of the Universe. -- Formation of the Elements. -- Beginnings of Chemistry. -- Element Abundances of the Planets. -- Geologic, Hydrologic, and Atmospheric Evolution of the Earth. -- Cells, Organelles, and Biomolecules. -- Metabolic Strategies and Pathway Design. -- Biochemical Catalysis. -- Storage, Replication, and Utilization of Biochemical Information. -- General Considerations Concerning the Origin of Life on the Earth. -- Biochemical Pathways Involving Carbohydrates. -- Prebiotic Pathways Involving Carbohydrates. -- Similarities Between the Biosynthesis of Nucleotides and the Prebiotic Synthesis of Nucleotides. -- RNA Metabolism and the Prebiotic Synthesis of RNA. Amino Acid Synthesis Now and Then. -- Chemistry of Translation. -- Early Developments in Polypeptide Synthesis. -- Lipid Metabolism and the Prebiotic Synthesis of Lipids. -- Properties of Membranes and Their Evolution. -- Possible Roles of Clays and Minerals in the Origin of Life. -- Evolution of Organisms. -- Evolution of the Main Energy-Producing Pathway for Aerobic Metabolism: The Tricarboxylic Acid Cycle. -- Evolution of Photosynthesis. -- Origin and Elaboration of the Genetic Code.

Includes bibliographical references and index.

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