Which of the following statements is false?

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Question

(A) $Ca^{2+}$ ions are essential for maintaining the regular beating of the heart as they are involved in the excitation-contraction coupling process

Vedclass · Accepted Answer

$Ca^{2+}$ ions are not important in maintaining the regular beating of the heart.

Vedclass · Answer

(A) $Ca^{2+}$ ions are essential for maintaining the regular beating of the heart as they are involved in the excitation-contraction coupling process in cardiac muscle cells. Therefore,the statement that they are not important is false. $Mg^{2+}$ ions are central to the chlorophyll molecule in plants. $Mg^{2+}$ ions also form complexes with $ATP$ to facilitate energy transfer. $Ca^{2+}$ ions play a crucial role in the blood clotting cascade.

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