Aresearcher analyzes a collection of translation mutants for defects in gtp hydrolysis. she finds three bacterial mutants with this defect due to mutations in translation factors if2, ef‑tu, and ef‑g. in each case, the mutation allows for proper protein folding and the binding of gtp, but gtp hydrolysis is blocked. match each loss of function or dysfunction with the mutant protein that causes it.

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emerald ash borer

the emerald ash borer is a green buprestid or jewel beetle native to north-eastern asia that feeds on ash species. females lay eggs in bark crevices on ash trees, and larvae feed underneath the bark of ash trees to emerge as adults in one to two years. hope this !

the answer is: trichonympha lives in the gut of termites and digests cellulose eaten by the termite.

this is an example of a symbiotic association of a protozoan with its mode of association.

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