Drawing of an experiment that directly demonstrates that DNA is rearranged during B cell development.
Drawing of an experiment that directly demonstrates that DNA is rearranged during B cell development
The B cell tumor arose from a single B cell and therefore makes a single species of antibody molecule. The two radioactive DNA probes used are specific for the DNA sequences encoding the C region and the V region of the light chain that the tumor cells make.
一个关键的实验
所有跟帖:
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你的几个例证都是没有说到最关键的点子上,总是在周围绕乎。
-houtou72-
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(479 bytes)
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07/20/2014 postreply
16:22:22
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别拉偏架
-26484915-
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(2255 bytes)
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07/20/2014 postreply
16:27:31
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太阳从西边出来。
-26484915-
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(381 bytes)
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07/20/2014 postreply
17:22:56
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我的科研习性是不允许我拉偏架的! 如果你坚持认为你的理解是对的,就这样的认为吧。
-houtou72-
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(3319 bytes)
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07/20/2014 postreply
20:06:34
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不管怎么说还是谢谢你码这么多字。
-26484915-
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(567 bytes)
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07/20/2014 postreply
20:24:19