Role of Metals in Living Systems

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Zinc, magnesium, and iron are essential metals in living systems with specific roles and effects on the body. Zinc is crucial for various biological functions, including the formation of zinc fingers, which are important for DNA binding and gene expression. Magnesium plays a key role in chlorophyll production and is vital for many enzymatic reactions. Iron is primarily involved in the transport of oxygen in the blood through hemoglobin. Understanding these metals' functions can enhance knowledge of their importance in biological processes and health.
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Hey, can anyone direct me to information on the role of the following metals in living systems? If you can, please state specific effects and reccomendations of importance(in the body).
Zn, Mg, Fe
 
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Homework question?

I'll get you started. Zinc fingers. Chlorophyll. Hemoglobin.
 
Yep its homework. Every Wednesday my class does a chemistry lab abd are required to write up a 'school based assesment' for the following week, so most likely i may be posting here weekly. I've got all the info needed, however, thanks for the help.
 
Iron is need to transport O2 in the blood.

Nautica
 
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