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. 2015 Dec 1;3(4):424–439. doi: 10.3390/proteomes3040424

Figure 1.

Figure 1

The periodic table of life. In white on a red background are the bio-elements. The biometals are the alkali and alkaline earth metals Na, K, Mg, Ca, and the transition metals, V, Mn, Fe, Co, Ni, Cu, Zn, Mo and W. Cr has often been implicated as biometal, although that has been falsified recently [17].