Although the atmosphere contains about 78% nitrogen gas, only a few types of organisms are able to convert it into a form usable by plants and other producers. What organisms can combine nitrogen in the atmosphere with hydrogen atoms to form ammonia?

Question

Biology

Samuel Terrell

9 May, 22:16

Although the atmosphere contains about 78% nitrogen gas, only a few types of organisms are able to convert it into a form usable by plants and other producers. What organisms can combine nitrogen in the atmosphere with hydrogen atoms to form ammonia?

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Answers (1)

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Camden Parks · Answer 1

Nitrogen-fixing bacteria

Explanation:

These type of bacteria living in the soil or symbiotic interaction with root plants has the ability to transform the atmospheric nitrogen (N2) into ammonia (NH3), in this form many organisms like plants can metabolise. Bacterial genera like Azotobacter spp., Rhizobium spp., Azospirilum spp., etc. can make the transformation of nitrogen by specialized enzymes called nitrogenases.