In which ion would a defect in transport have the most direct effect on muscle contraction?

Name: In which ion would a defect in transport have the most direct effect on muscle contraction?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Calcium ions (Ca2+) play a crucial role in muscle contraction by binding to troponin, which triggers the sliding of actin and myosin filaments over each other, leading to muscle contraction. A defect in calcium transport would directly affect this process.

In Which Ion Would a Defect in Transport Have the Most