Agar’s low viscosity also makes it easy to pour into Petri dishes, and its transparency permits observation of microbes growing on its surface.7 Also aiding in this is its low syneresis (extrusion of water from the gel), guaranteeing less surface “sweating”: Once a plate is inoculated, bacterial colonies stay in place and do not mix.
蜡梅的果实含有蜡梅碱等生物碱，有毒。而梅花的果实成熟后可食用，也就是人们常常说的“梅子”，是梅子酱、酸梅汤的原料。
，详情可参考搜狗输入法2026
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