Question

Importance of carbonic anhydrase protein synthesis dna repair marine phytoplankton

Answer 1

Zinc, Cobalt, and Cadmium

It is now becoming clear that the physiological importance of zinc rivals that of iron in biology. Although the cellular concentration of zinc is typically lower than that of iron (Figure 1), the number of known Zn-metalloproteins appears to be much larger than that of Fe-metalloproteins (Maret, 2002). In cultures of marine phytoplankton, it is commonly observed that zinc, cobalt, and cadmium can partially replace each, depending on the species. Thus these three metals often play similar biochemical roles in the marine environment. The distinct geochemistries of these elements and their different utilization by various taxa of phytoplankton likely influence the community composition of marine assemblages.


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