The Encyclopedia Americana, Količine 1–30Bernard S. Cayne Grolier, 1981 |
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Stran 418
... living " about them than many other complex molecules that the chemist synthesizes . Inside a living cell , the viruses take on most of the properties that characterize life . The more we learn about biology , the less ap- pears the ...
... living " about them than many other complex molecules that the chemist synthesizes . Inside a living cell , the viruses take on most of the properties that characterize life . The more we learn about biology , the less ap- pears the ...
Stran 419
... living organism leaves behind molecules that we recognize as arising only from the processes of life . An ex- ample is the carbon compounds of petroleum . Their structures are those that the biochemist finds in living systems today ...
... living organism leaves behind molecules that we recognize as arising only from the processes of life . An ex- ample is the carbon compounds of petroleum . Their structures are those that the biochemist finds in living systems today ...
Stran 424
... living cell . At the present state of our knowledge it seems reasonable to set the age of life on earth at about 3.5 billion years . Summary of the Modern Theory of the Origin of Life . After the formation of the earth , a wealth of ...
... living cell . At the present state of our knowledge it seems reasonable to set the age of life on earth at about 3.5 billion years . Summary of the Modern Theory of the Origin of Life . After the formation of the earth , a wealth of ...
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