For example, some venoms are chemical-based, and others are bacteria-based, so they clearly had to have developed along different routes and may not be as closely related as we thought.

例如，一些毒液基于化学物质，而另一些基于细菌，所以它们显然是由不同的途径产生的，可能不像我们想象的那样密切相关。

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At the same time, we also have found differences in signal selectivity that may allow us to target some bacteria while ignoring others.

同时，我们还发现了信号选择性的差异，这能够使我们针对一些特定的细菌而不影响到其他。

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Using special stains, one can see that some bacteria have attached to them wavy-looking "hairs" called flagella. Others have only one flagellum.

用特殊的着色剂后，你会发现有的细菌上长着不少波状的“毛发”即鞭毛，而有的细菌只有一根鞭毛。

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For instances, most fermented drinks need to be boiled at some points, which will kill off bacteria, thus living off alcoholic beverages in times of cholera, others for dysentery and other types of water-borne illnesses.

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Those who received bacteria from the bypass mice, lost a significant amount of weight in two weeks but the others saw no change.

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