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.
Москвичей предупредили о резком похолодании09:45
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The British snacks giant said it had entered into a consultation process over Tyrrells-brand vegetable crisps following a "sustained decline in demand and the loss of key export volumes".