The choanoflagellate Choanoeca flexa forms motile and contractile cell monolayers purely clonally, purely aggregatively or through a combination of both processes depending on environmental conditions.
Stack allocation of append-allocated slices
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Elahi, the UK's deputy government chemist, who is based at the measurement and testing services company LGC, couldn't believe that food fraudsters would target children.
That has meant a longer wait for Smith and the 500 others in the West Midlands who desperately need a vital operation.
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