The nitrogen cycle involves the movement of atmospheric nitrogen through a series of nitrifying bacteria, which process the nitrogen into forms that can be absorbed and used by other living organisms. Which of the following paths best represent the correct order of this process, starting with atmospheric nitrogen and ending with a form of nitrogen that most plants (producers) can use? Select one: O a. N2(g) →→ ammonium nitrite - 1 1 1 nitrate b. nitrite ammonium-N2(g) → nitrate 1 c. nitrate-N2(g) → ammonium nitrate O d. ammonium-nitrate- nitrite N2) - 1

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Metabolic pathways

Metabolism is defined as the group of life-supporting, enzyme-mediated chemical reactions in organisms. A metabolic pathway is a set of these chemical reactions that involve anabolism (synthesis of complex biomolecules) and catabolism (breakdown of biomolecules into small molecules) that occur inside a cell. Metabolites are the reacting substances, products, and intermediate substances of an enzymatic process that are altered by a series of chemical events catalyzed by enzymes.