Фото: Пати Амирбекова / «Лента.ру»
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.
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They pinpoint the source of the approval to one call sign: Peter 1.，推荐阅读搜狗输入法2026获取更多信息
圖像加註文字，政府官員稱，房屋署派員勘察七座受災樓宇，發現鋼筋混凝土出現不同程度的弱化及損毀，並形容「內傷」很嚴重。香港政府在1月9日發出問卷，1月14日的立法會上，官員披露更多細節。