Additionally, aerobic ammonia oxidizers are also autotrophs, fixing carbon dioxide to produce organic carbon, much like photosynthetic organisms, but using ammonia as the energy source instead of ...

Nitrifiers—including AOA and ammonia oxidizing bacteria (AOB ... are some of the most abundant proteins expressed by these organisms, common to all of them." ...

Ammonia, NH 3, is an alkaline gas and so turns damp red litmus paper blue. Ammonium ions (NH 4 +) – found in ammonium compounds such as ammonium chloride, ammonium nitrate and ammonium sulfate ...

NASA has discovered an exoplanet larger than Earth that also contains gases which scientists believe could only be produced by living organisms ... with the absence of ammonia, supports the ...

Reaction 1 converts ammonia to the intermediate, hydroxylamine, and is catalyzed by the enzyme ammonia monooxygenase. Reaction 2 converts hydroxylamine to nitrite and is catalyzed by the enyzmer ...

He sent an electrical charge through a flask of a chemical solution of methane, ammonia, hydrogen and water ... a crucial step that turned atoms into organisms, but they still don't know what ...