Question

what is a rhizobium ​

Answer 1

Answer:

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* Rhizobium is a soil bacteria that fixes atmospheric nitrogen once it finds a base inside the roots of the leguminous plants”...

* a nitrogen-fixing bacterium that is common in the soil, especially in the root nodules of leguminous plants.

Explanation:

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Answer 2

Answer:

Rhizobium is a genus of Gram-negative soil bacteria that fix nitrogen.

Explanation:

the plural form is rhizobia.

Rhizobia are soil bacteria which become established inside root nodules of legumes (the pea family: Fabaceae)

they are all the same