文章列表
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1.万物简史 第584期:生命的物质(10)
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Finally, in 1944, after fifteen years of effort, a team at the Rockefeller Institute in Manhattan, led by a brilliant but diffident Canadian named Osw...
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2.万物简史 第583期:生命的物质(9)
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The problem, however, remained the next level of biological intricacy: the enigmatic genes and the DNA that composed them. These were much trickier to...
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3.万物简史 第582期:生命的物质(8)
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As laboratory specimens fruit flies had certain very attractive advantages: they cost almost nothing to house and feed, could be bred by the millions ...
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4.万物简史 第581期:生命的物质(7)
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Working with a kind of chemical clerk called a ribosome, RNA translates information from a cell's DNA into terms proteins can understand and act upon....
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5.万物简史 第580期:生命的物质(6)
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DNA didn't do anything at all, as far as anyone could tell. It just sat there in the nucleus, possibly binding the chromosome in some way or adding a ...
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6.万物简史 第579期:生命的物质(5)
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That is why it can be recovered from patches of long-dried blood or semen in murder investigations and coaxed from the bones of ancient Neandertals. I...
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7.万物简史 第578期:生命的物质(4)
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DNA exists for just one reason to create more DNA and you have a lot of it inside you: about six feet of it squeezed into almost every cell. Each leng...
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8.万物简史 第577期:生命的物质(3)
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The tiny differences in that remaining 0.1 percent roughly one nucleotide base in every thousand, to quote the British geneticist and recent Nobel lau...
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9.万物简史 第576期:生命的物质(2)
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If you go back sixty-four generations, to the time of the Romans, the number of people on whose cooperative efforts your eventual existence depends ha...
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10.万物简史 第575期:生命的物质(1)
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26 The Stuff of Life 第二十六章 生命的物质 If your two parents hadn't bonded just when they did possibly to the second, possibly to the nanosecond you...