所筛选的单适配子对肝细胞几乎无毒性。
The selected aptamers have very low or no toxicity for hepatic cells.
同时其几乎无毒副作用，安全可靠，成本低廉。
And it almost has no toxicity and side effect, safe and reliable, low-cost.
结果发现，几乎所有的有毒植物都存在彩色昆虫，但只有一半的无毒植物有彩色昆虫；而黑色、褐色和灰色的昆虫则没有这种偏好性，在采食时没有选择。
Turns out, they found colorful bugs on almost all the toxic plants but less than half of the harmless plants. And black, brown and gray bugs didn't have a preference-they ate indiscriminately.
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