The following metal ion activates many enzymes, participates in the oxidation of glucose to produce ATP and with Na, is…

The following metal ion activates many enzymes, participates in the oxidation of glucose to produce ATP and with Na, is responsible for the transmission of nerve signals.
A Copper
B Calcium
C Potassium
D Iron

Detailed Solution

Potassium ($K^+$) activates many enzymes, participates in the oxidation of glucose to produce ATP, and along with sodium is responsible for the transmission of nerve signals.

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