它们缺乏储水结构,而且它们长在岩石表面,这阻止了它们利用地下水,所以它们反而形成了改变新陈代谢的能力。
They lack water-storing structures, and their existence on rock faces prevents them from tapping groundwater, so they have instead developed the ability to change their metabolism.
因此,三位研究人员得到如下结论:由于代谢速度的提升,热带地区的热量引起更多的突变,也因此形成更多的物种。
By a process of elimination, therefore, the three researchers were left with the conclusion that, by pushing metabolic rates up, tropical heat causes more mutation and thus more speciation.
因此,确认那些可以消化纤维素的酶的基因,然后修改并重组这些基因形成新的代谢途径,就可以生成一些系统,能够消化整株植物,并将其转化为乙醇。
Identifying the genes for the enzymes that do this, modifying them and assembling them into new pathways would produce systems that could digest the whole plant and turn it into ethanol.
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