12. Which of the following best describes an attribute of visceral smooth muscle not shared by
skeletal muscle?
A. Contraction is ATP dependent
B. Contracts in response to stretch
C. Does not contain actin filaments
D. High rate of cross-bridge cycling
E. Low maximal force of contraction.



Answer :

Final answer:

Smooth muscle differs from skeletal muscle by its unique contraction characteristics.


Explanation:

Smooth muscle differs from skeletal muscle in various ways. One attribute of smooth muscle not shared by skeletal muscle is the ability to contract without the continuous need for ATP due to latch-bridges, which allow for prolonged contractions. Additionally, smooth muscle has a stress-relaxation response that permits stretching, contracting, and relaxing as the organ expands.


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