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Which one of the following statements is correct?

1.	Mg plays role in neuromuscular function and interneuronal transmission.
2.	The daily requirement of Mg and Ca in the human body is estimated to be 0.2-0.3 g.
3.	All enzymes that utilize ATP in phosphate transfer require Ca as the cofactor.
4.	The bone in the human body is an inert and unchanging substance.

Subtopic: Biological Importance of S Block Elements and & Its Ore |

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