An antibody test on smooth muscle reveals fewer dense bodies and intermediate filaments in a patient with a colon disorder. What is the purpose of these structures?
A. They act as enzymes that remove phosphate from myosin.
B. They are part of the intracellular cytoskeleton.
C. They maintain relatively constant tension in smooth muscle for a period of time.
D. They are shallow invaginations of plasma membrane.
E. They allow for rapidly developing action potentials in smooth muscle cells.
Answer: B
You might also like to view...
Embarrassment can be perceived by an abnormal coloration of the skin called cyanosis.
Answer the following statement true (T) or false (F)
In anatomical position, the little finger is on which side of the hand?
A. Medial B. Lateral C. Distal D. Anterior E. Posterior
Which of the following is TRUE about a wildlife rehabilitator?
a. Wildlife rehabilitators are required to graduate school with a degree b. All wildlife rehabilitators must work in a private center c. Anyone can house wildlife and rehabilitate them d. A rehabilitator must have a license
Which tissue binds together and supports other tissues and organs?
a. epithelial b. connective c. muscle d. nervous