General Microbiology II

Biogeochemical Cycles

Biogeochemical cycles are "pathways" through which organic compounds and elements in inorganic compounds are changed from one chemical state to another (redox cycles involve changes in oxidation level) while they are being transferred from one organism to another (transport cycles involve changes in the locations of compounds or elements)

Carbon cycle

Sulfur cycle

Nitrogen cycle

Iron cycle

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© 1996-2008 John R. Stevenson. All Rights Reserved

email questions and comments to:
John R. Stevenson, Ph.D.
Associate Professor
Department of Microbiology
Miami University
Oxford, Ohio 45056
This document was last modified on Saturday, 21-May-2011 19:10:08 EDT