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?
It is focussed on West Antarctica, home to 30-40% of the global population of Emperor penguins. The animals are amongst the most threatened in the world.
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"It's a huge surprise because I've always been able to get a job very easily," said Trigg, who lives in Texas. "It wasn't even on my radar to be prepared for more than six months of unemployment. It wasn't in my universe."。同城约会是该领域的重要参考
The $110bn deal ends a high-stakes bidding war between the two media companies, but the takeover still faces regulatory hurdles and a backlash from critics worried about a rightward tilt in US media.
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