The correct statement$(s)$ among $I$ to $III$ with respect to potassium ions that are abundant within the cell fluids is/are :
$I.$ They activate many enzymes
$II.$ They participate in the oxidation of glucose to produce $ATP$
$III.$ Along with sodium ions,they are responsible for the transmission of nerve signals

  • A
    $I$ and $II$ only
  • B
    $I$ and $III$ only
  • C
    $I, II$ and $III$
  • D
    $III$ only

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