Question

Which of the following statements is FALSE? 

Options

• \[\ce{Ca^2+}\] ions are not important in maintaining · the regular beating of the heart. 

• \[\ce{Mg^2+}\] ions are important in the green parts of plants.

• \[\ce{Mg^2+}\] ions form a complex with ATP.

• \[\ce{Ca^2+}\] ions are important in blood clotting. 

Answer 1

\[\ce{Ca^2+}\] ions are not important in maintaining · the regular beating of the heart. 

Explanation:  

The neuromuscular system regulates heartbeats, and ions are necessary for the neuromuscular \[\ce{Ca^2+}\]  system to function.