+3 votes
in Class 12 by kratos

Which ion is essential for muscle contraction?

(a) Na+

(b) K+

(c) Ca2+

(d) Cl–

1 Answer

+1 vote
by kratos
 
Best answer

Correct option: (c) Ca2+

Explanation:

Movement of Ca2+ out in sarcoplasmic reticulum controls the making and breaking of actin and myosin complex actomyosin due to which muscle contraction and relaxation takes place. Albert Szent Gyorgyi worked out biochemical events of muscle contraction.

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