The change to agar was a marked improvement. The jelly is so effective that it is still an invariable ingredient in what is known today as the “Koch’s plating technique” or the “culture plating method.” As Koch himself noted in 1909: “These new methods proved so helpful…that one could regard them as the keys for the further investigation of microorganisms…Discoveries fell into our laps like ripe fruits.”
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没有苦大仇深的剧情,阿爸很少提起原本的家。至少在我的记忆里,他从没主动和我说过。我第一次知道阿爸和阿姑都是买来的,是从阿嬷口中听到的。很平常,一个聊家常的话题中提起的,她说自己的女儿是买的,女儿的儿子也是买的,然后顺嘴说了一句。那时我上初二,听到的第一反应是好便宜。