Digestion-And-Absorption Question 410
Question: Which of the following is important for muscle contraction and nerve impulse transmission? (CPMT 2008)
Options:
A) $ C{a^{2+}} $ ions
B) $ M{g^{2+}} $ ions
C) both [a] and [b]
D) $ F{e^{2+}} $ ions
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Answer:
Correct Answer: A