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A biogeochemical cycle, or more generally a cycle of matter, [1] is the movement and transformation of chemical elements and compounds between living organisms, the atmosphere, and the Earth's crust. Major biogeochemical cycles include the carbon cycle, the nitrogen cycle and the water cycle. In each cycle, the chemical element or molecule is ...
Agricultural interest in 18th-century soil chemistry led to better understanding of nutrients and their connection to biochemical processes. This relationship between the cycles of organic life and their chemical products was further expanded upon by Dumas and Boussingault in a 1844 paper that is considered an important milestone in the development of biogeochemistry.
Within each cycle, the time period during which the process is more active is called the acrophase. [4] When the process is less active, the cycle is in its bathyphase or trough phase. The particular moment of highest activity is the peak or maximum; the lowest point is the nadir. How high (or low) the process gets is measured by the amplitude.
Pages in category "Biogeochemical cycle" The following 40 pages are in this category, out of 40 total. This list may not reflect recent changes. ...
Calcium cycle; Template:Calvin cycle; Canadian Reference Materials; Capsinoid; Carbon chauvinism; Carbon source (biology) Carnitine shuttle; CellCognition; Chain reactions in living organisms; Chain scission; Chaotropic activity; List of chemical compounds in coffee; Chi site; Chirality; Chirality (chemistry) Cholesterol signaling; Chromosome ...
Biochemical cycles are also important for life because sulfur is an essential element, ... Size and classification of marine particles [72] Adapted from Simon et al ...
Almost all areas of the life sciences are being uncovered and developed through biochemical methodology and research. [2] Biochemistry focuses on understanding the chemical basis which allows biological molecules to give rise to the processes that occur within living cells and between cells, [ 3 ] in turn relating greatly to the understanding ...
The tree of life. Two domains of life are Bacteria (top branches) and Archaea (bottom branches, including eukaryotes). The two-domain system is a biological classification by which all organisms in the tree of life are classified into two domains, Bacteria and Archaea.