Researchers in Alaska conducted an artificial soil warming experiment to examine how a warming arctic might affect the nitrogen cycle. The active layer of the soils (that is, soils not frozen all year) were either not heated throughout the growing season (control), or warmed 3 degrees C throughout the growing season (soil warming). The study ran for 5 years, from 2013 to 2017. Which of the following statements is not supported by the data provided? the soils must contain some source of immobilized nitrogen if detectable mineralization rates are occurring the difference in nitrogen mineralization rates between warmed soils and control soils increased through time O If climate change leads to warming in the arctic, it would be expected to increase nitrogen mineralization rates over broad areas over the course of the study, denitrification rates will be higher in control soils compared to warmed soils warmed soils exhibited higher nitrogen mineralization rates than control soils

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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.