Question

what is the difference between rhizobium and blue green algae in way of fixing nitrogen for plants ​

Answer 1

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To express genes for nitrogen fixation, rhizobia require a plant host; they cannot independently fix nitrogen. In general, they are gram negative, motile, non-sporulating rods. Blue—green algae (Cyanobacteria) are a special group of prokaryotes. ... BGA are widely distributed all over the earth.

Explanation:

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Answer 2

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To express genes for nitrogen fixation, rhizobia require a plant host; they cannot independently fix nitrogen. In general, they are gram negative, motile, non-sporulating rods. Blue—green algae (Cyanobacteria) are a special group of prokaryotes. BGA are widely distributed all over the earth.