A bacterium living in nodules on the roots of legumes is able to convert nitrogen gas from the atmosphere into a soluble form that can be taken up and used by the legume. This soluble form is most likely
A) urea.
B) nitrate.
C) nitrite.
D) nitric acid.
E) ammonium.

Question

Quizplus · Accepted Answer

The bacterium in the root nodules of legumes typically converts atmospheric nitrogen (N2) into ammonium (NH4+), which is a form that plants can readily absorb and utilize.

A Bacterium Living in Nodules on the Roots of Legumes