In human cells, glyphosate-based herbicides prevented the action of androgens, the masculinising hormones, at very low levels – up to 800 times lower than glyphosate residue levels allowed in some GM crops used for animal feed in the United States.
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As we learn more about the DNA in human cells and how it controls the growth and development of cells, then maybe we can explain a very important observation.
当我们了解了更多关于人类细胞的 DNA,以及它是如何控制细胞的生长和发育的,那么也许我们可以解释一个非常重要的观察结果。
For this to happen, it would need to be able to attach to, infect and replicate in human cells.
如果要发生大流行,病毒需要能够附着在人类细胞上,感染细胞并在其中复制。
Other scientists had managed versions of the trick before, but not in human cells, with such sophistication.
其他科学家之前已经进行过此类尝试,但没有用在人体细胞中,也没有如此的复杂性。
In March, President Obama ended restrictions on the use of federal money for research using human embryonic stem cells.
VOA: special.2009.04.07
Particularly if you compare them with hair cells that are present in the mammalian and the human and mouse cochlea.
尤其是与哺乳动物如人和老鼠的,耳蜗中的毛细胞相比。
On the top you see where the hair cells are located in the human cochlea.
幻灯上方显示的是,人耳蜗内毛细胞的位置。
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