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.
The 9,000-pound monster I don’t want to give back
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Food crime mostly goes unreported, so it's difficult to grasp its scale.，详情可参考WPS官方版本下载
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