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冲分救命题 -6656【medium】 00:00:00 关闭计时
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The whole biosphere, like the individual organisms that live inside it, exists in a chemically dynamic state (dynamic state: 动态). In this homeostatic system, a great number of organic compounds are synthesized, transformed, and decomposed continuously; together, these processes constitute the major parts of the carbon cycle. For the smooth operation of this cycle, degradation is just as important as synthesis: the green plants produce great quantities of polymers, such as cellulose, and innumerable other compounds like alkaloids, terpenes, and flavonoids, that green plants cannot use as sources of energy during respiration. The release of the carbon in these compounds for recycling depends almost entirely on the action of both aerobic and anaerobic bacteria and certain types of fungi. Some bacteria and fungi possess the unique and extremely important biochemical asset of being able to catalyze the oxidation of numerous inert products, thereby initiating reaction sequences that produce carbon dioxide and so return much carbon to a form that actively enters into life cycles once again

The author’s contention about the importance of bacteria and fungi in the production of energy for life processes would be most clearly strengthened if which of the following were found to be true?

正确答案: B 耗时:
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樱花桑塔纳

为什么选B?逻辑绕不过来呀!
1楼  | 2021-05-01 20:30:46 回复
  • 181139t 回复 181139t 原文:The release of the carbon in these compounds for recycling depends almost entirely on the action of both aerobic and anaerobic bacteria and certain types of fungi. 几乎所有被植物分解的compound只有在bacteria和部分fungi的帮助下能重新回到自然中的碳循环,强调compound,bacteria以及fungi之间的关联性还有排他性
    2021-05-03 12:00:17 回复
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