The penicillium mold constantly produces penicillin in order to defend itself from threats, such as nearby bacterial colonies that might consume its resources.
青霉霉菌不断产生青霉素,以抵御威胁,例如附近可能消耗其资源的细菌菌落。
单词 | bacterial colonies |
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原声例句
双语版 TED-Ed 演讲精选 The penicillium mold constantly produces penicillin in order to defend itself from threats, such as nearby bacterial colonies that might consume its resources. 青霉霉菌不断产生青霉素,以抵御威胁,例如附近可能消耗其资源的细菌菌落。 科学杂志:生物 They introduced randomly mutated versions of the enzyme into bacteria, then sprayed the bacterial colonies with a specialized substrate the colonies that glowed the brightest were selected and mutated again. 他们将这种酶的随机突变版本引入细菌,然后用一种特殊的底物喷洒细菌菌落,选择发光最亮的菌落并再次突变。 |
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