Question

A muscle cramp is most likely due to lack of

A) ATP.
B) ADP.
C) actin.
D) myosin.
E) acetylcholine.

Answer 1

ATP.

Step-by-step explanation:

A muscle cramp may be defined as painful muscle contraction or the strong tightening of the muscle that may remain lasts for second to few minutes. This mainly occurs in the leg.

The muscle cramp occur due to lack of the ATP molecule in the muscle. Medical condition like kidney disease and liver disease may also cause the muscle cramp.

Thus, the correct answer is option (A).