Which of the following is important for muscle contraction and nerve impulse transmission?
A. Ca2+ and Mg2+ ions
B. Fe2+ ions
C. Ca2+ ions
D. Mg²+ ions
Answer:C
Which of the following is important for muscle contraction and nerve impulse transmission?
A. Ca2+ and Mg2+ ions B. Fe2+ ions C. Ca2+ ions D. Mg²+ ions