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1mon
细菌鞭毛马达:最不寻常的生物结构之一,质子动力每分钟10万转
如果您问什么生物结构最不像自然进化的,那应该就是细菌的鞭毛马达。 大部分细菌都可以在需要的时候长出鞭毛,然后通过旋转鞭毛来移动自己 ...
21d
无“幽”无虑,教你如何防治幽门螺杆菌感染
人的胃因为有胃酸存在,所以是一个强酸环境。在这种强酸环境下,理论上是不应该有细菌存在的。但事实上,有一种细菌能在胃内长期“定居”,并给人体带来烦恼和痛苦。它,就是幽门螺杆菌。幽门螺杆菌到底是一种什么样的细菌,是什么让它成为目前唯一一种可以长期在胃内存 ...
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