which describes step three of a muscle contraction?\nthe sarcomere lengthens.\nthe space between sarcomeres…

which describes step three of a muscle contraction?\nthe sarcomere lengthens.\nthe space between sarcomeres increases.\nactin and myosin are partially overlapped.\nactin and myosin are completely overlapped.

which describes step three of a muscle contraction?\nthe sarcomere lengthens.\nthe space between sarcomeres increases.\nactin and myosin are partially overlapped.\nactin and myosin are completely overlapped.

Answer

Answer:

Actin and myosin are partially overlapped.

Brief Explanation:

During muscle contraction, in one of the steps, actin - myosin overlap increases but they are not completely overlapped at step three. Sarcomeres shorten and space between them decreases during contraction, not lengthen or increase respectively.