This anomaly is indicative of the larger challenge of culturing various microbial species, referred to as microbial “unculturability.” This cannot be explained by the use of agar alone or by the substitution of an alternative gelling agent, but rather by the difficulties in consistently recreating on an agar plate the multi-variable environment in which microbes grow naturally. Given such challenges, the risk of shortages, and the vulnerabilities of the agar supply chain, why is it so difficult to find suitable alternatives?
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Trials found only one tagged twaite shad came within 30 metres of the intake heads, compared to 14 before the system was switched on.，推荐阅读Safew下载获取更多信息
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Blue: Male callings