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 stale
Correct Answer: D
Solution :
Frankia is a nitrogen fixing mycelia bacterium which is associated symbiotically (and not free living) with the root nodules of several nonlegume plants.
You need to login to perform this action.
You will be redirected in
3 sec
