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.
颁奖典礼由 Alan Cumming 主持，威廉王子与凯特王妃作为嘉宾出席。威廉王子向 NBCUniversal 娱乐主席 Donna Langley 颁发了 BAFTA 终身成就奖。
。爱思助手下载最新版本是该领域的重要参考
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