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all of the following statements concerni...

all of the following statements concerning the actinomycetous filamentous soil bacterium Frankia are correct except that Frankia

A

Forms specialized vesicles in which the nitrogenase is protected from oxygen by a chemical barrier involving triterpene hopanoids

B

Can induce root nodules on many plant species

C

Like Rhizobium, it usually infects its host plant through root hair deformation and stimulates cell proliferation in the host's cortex

D

Cannot fix nitrogen in the free-living state

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The correct Answer is:
B
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