Which of These Is a Major Difference Between Smooth Muscle and Skeletal

question 22

Multiple Choice

Which of these is a major difference between smooth muscle and skeletal muscle?

• A)Myosin is the main regulatory protein in smooth muscle.
• B)Myosin is the main regulatory protein in skeletal muscle.
• C)Skeletal muscle usually exhibits spontaneous activity,while smooth muscle cannot contract spontaneously. 
• D)Only skeletal muscle requires increased calcium ion concentration in the cytosol for contraction.
• E)Only skeletal muscle has both actin and myosin.

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Definitions:

Somatosensory Cortex

A part of the brain that processes sensory information from the body, including touch, temperature, and pain sensations.

Parietal Lobes

A region of the cerebral cortex involved in processing sensory information regarding the location of parts of the body as well as interpreting visual information.

Hemispheric Lateralization

The specialization of functions in the left and right hemispheres of the brain, such as language in the left and spatial ability in the right.

Magnetic Resonance Imaging

A medical imaging technique that uses a magnetic field and radio waves to create detailed images of the organs and tissues within the body.