Protocells
 
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Water vapor bubbles, the protocells of life Evolution at the beginning【電子書籍】[ Helmut Albert ]

楽天Kobo電子書籍ストア
<p>The paper describes the origin of life from the water vapor of the earth's atmosphere. It conveys, how from the inorganic, life can develop. Until now, water and the element carbon were often mentioned when it came to the origin of life, but without being concretized. Now for the first time a logical connection between gaseous water and carbon in the emergence of life is established. Wa-ter does not play a role as primordial ocean or water pond, but in its gaseous aggregate state as water vapor. The main thesis is that water vapor bubbles are the proto- or origin cells of all life on earth. Free carbon in the air forms hydrocarbon rings in reactions with the hydrogen of the water vapor bubbles. Due to the infinite valence of carbon, more hydrocarbon rings are formed and the cell enlarges. Depending on the environment and conditions, the cells then develop further into unicellular organisms and, in a further stage of development, into multicellular organisms. This natural process repeats itself on earth even today, since primeval times and is the cause for the stepwise developed species of living beings including man. All kinds of living beings have so an own development strand.</p>画面が切り替わりますので、しばらくお待ち下さい。 ※ご購入は、楽天kobo商品ページからお願いします。※切り替わらない場合は、こちら をクリックして下さい。 ※このページからは注文できません。 630円

Modelling Protocells The Emergent Synchronization of Reproduction and Molecular Replication【電子書籍】[ Roberto Serra ]

楽天Kobo電子書籍ストア
<p>The monograph discusses models of synthetic protocells, which are cell-like structures obtained from non-living matter endowed with some rudimentary kind of metabolism and genetics, but much simpler than biological cells. They should grow and proliferate, generating offsprings that resemble in some way the parent protocells with some variation, so that selection may take place. Sustainable protocell populations have not yet been obtained experimentally and mathematical models are therefore extremely important to address key questions concerning their synthesis and behavior. Different protocell “architectures” have been proposed and high-level abstract models like those that are presented in this book are particularly relevant to gain a better understanding of the different properites. These models are able to treat all the major dynamical phenomena in a unified framework, so they can be seen as “virtual laboratories” for protocell research. Particular attention is paid to the problem of synchronization of the fission rate of the whole protocell and the duplication rate of its "protogenetic" material, which is shown to be an emergent property that spontaneously develops in successive generations.</p> <p>The book is of interest for a broad range of scientists working in soft matter physics, chemistry and biology, interested in the role protocells may play on the development of new technologies with medical, environmental and industrial applications as well as scientists interested in the origin of life.</p>画面が切り替わりますので、しばらくお待ち下さい。 ※ご購入は、楽天kobo商品ページからお願いします。※切り替わらない場合は、こちら をクリックして下さい。 ※このページからは注文できません。 9,723円