名词解释题自生固氮菌 free-living nitrogen fixing bacteria
名词解释题
自生固氮菌 free-living nitrogen fixing bacteria
参考解析
解析:
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相关考题:
It can be inferred from the passage that which of the following presents the greatest danger to diver?A) Pressurized helium.B) Nitrogen diffusion.C) Nitrogen bubbles.D) An air embolism.
单选题The three basic elements necessary for any fire are ().Aheat, gas, and flamesBfuel, heat, and oxygenCheat, nitrogen, and fuelDfuel oil, nitrogen, and oxygen
单选题关于微生物转化氮素物质过程叙述正确的是()A空气中的分子态氮,通过固氮菌作用还原为NO3-B空气中的分子态氮,通过固氮菌作用还原为NO-C空气中的分子态氮,通过固氮菌作用还原为NH3D空气中的分子态氮,通过固氮菌作用为NO2-