The most abundant intracellular cation is

The most abundant intracellular cation is
  1. $\mathrm{Na}^{+}$
  2. $\mathrm{Ca}^{2+}$
  3. $\mathrm{H}^{+}$
  4. $\mathrm{K}^{+}$

Solution

Major intracellular cation is $\mathrm{K}^{+}$. Major extracellular cation is $\mathrm{Na}^{+}$. $\mathrm{Ca}^{+}$play major role in signal transduction pathways. $\mathrm{H}^{+}$is found in aqueous solution of all acids.

Asked in: NEET 2013 (All India)

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