【单选题】
下列哪一种不属于微生物与氧气的关系划分的___。
A. 好氧微生物
B. 厌氧微生物
C. 兼性好氧微生物
D. 兼性厌氧微生物
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答案
C
解析
暂无解析
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下列关于氧化还原电位与微生物生长,说法错误的是___。
A. +0.3V以上适合好氧微生物的生长
B. +0.1V以下适合厌氧微生物的生长
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D. 兼性好氧微生物在+0.1V上进行发酵作用,在+0.1V以下进行有氧呼吸
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福尔马林的成分是___。
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B. 是40%的甲醛水溶液
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D. 是40%的戊二醛水溶液
【单选题】
关于消毒剂和防腐剂的作用机理,以下说法错误的是___。
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【单选题】
以下哪种抗生素不抑制蛋白质的合成___。
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___能通过抑制叶酸合成而抑制细菌生长。
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【单选题】
关于常用灭菌、消毒等方法,以下说法错误的是___。
A. 灭菌是用物理和化学的方法杀灭所有的微生物
B. 消毒是用物理或者化学方法杀灭病所有的微生物
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【单选题】
光波杀菌最强的波长范围是___
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【单选题】
杀灭所有微生物的方法称为___
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【单选题】
测定空气中微生物数量常用的方法是___
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【单选题】
测定土壤中微生物的总数采用的方法是___
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【单选题】
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【单选题】
升汞用于实验室非金属器皿表面消毒的浓度通常为___
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【单选题】
链霉素抑菌机制是___
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碘酒的杀菌原理是___
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【单选题】
杀灭沙门氏菌的最佳方法是___
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【单选题】
将细菌作为实验材料用于遗传学方面的研究优点是 ___。
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遗传型是指生物的 ___。
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微生物的主要遗传物质是___
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组成真核生物染色体的基本单位是___
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下列属于原核微生物基因重组的方式是 ___。
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局限性转导作用中,外源DNA的命运是 ___。
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接合作用中,被转移的DNA来自 ___。
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接合作用中需要借助的媒介是 ___。
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A vSphere Administrator attempts to enable Fault Tolerance for a virtual machine but receives the following error: Secondary VM could not be powered on as there are no compatible hosts that can accommodate it. What two options could cause this error? (Choose two.)___
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