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nitrogenase
This term is a highly specialized biochemical designation used almost exclusively within the fields of microbiology, plant physiology, and biochemistry. It describes a specific catalyst essential for nitrogen fixation, a process critical for converting inert atmospheric nitrogen into a bioavailable form for plants.
Because it refers to a specific class of enzyme, it is treated as a mass noun in most scientific contexts when discussing its general activity or presence. It is rarely used in plural form unless referring to different types or isoforms of the enzyme complex across various species.
Meanings
Examples
Nitrogenase is the key enzyme responsible for converting atmospheric nitrogen into ammonia.
Nitrogenase is the key enzyme responsible for converting atmospheric nitrogen into ammonia.
Does the nitrogenase complex require a lot of ATP to function?
The oxygen sensitivity of nitrogenase makes it difficult to study in aerobic conditions.
I wonder if we can engineer a plant that produces its own nitrogenase.
Rhizobium bacteria produce nitrogenase within the root nodules of legumes.
Look at the diagram showing how nitrogenase breaks the triple bond of N2.
The activity of nitrogenase is inhibited by high levels of ammonia in the soil.
We need to isolate the nitrogenase protein for the next phase of the experiment.