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

Question

Accepted Answer

Cannot fix nitrogen in the free-living state

Answer

Can induce root nodules on many plant species

Answer

Cannot fix specialized vesicles in which the nitrogenase is protected from oxygen by a chemical barrier involving triterpene hapanoids

Answer

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

diversity-of-life