ВсеПрибалтикаУкраинаБелоруссияМолдавияЗакавказьеСредняя Азия
Before agar, microbiologists had experimented with other foodstuffs as microbial media. They turned to substances rich in the starches, proteins, sugars, fats, and minerals that organisms need for growth, testing with broths, bread, potatoes, polenta, egg whites, coagulated blood serums, and gelatine. However, none worked particularly well: all were easily broken down by heat and microbial enzymes, and their surface, once colonized, became mushy and unsuitable for isolating microbes.
。51吃瓜对此有专业解读
Дания захотела отказать в убежище украинцам призывного возраста09:44
Израиль нанес удар по Ирану09:28