An Important Difference Between Single Unit And Multi Unit Smooth Muscle Is The A Close Association Of Individual Singl 1 (36.17 KiB) Viewed 36 times
An Important Difference Between Single Unit And Multi Unit Smooth Muscle Is The A Close Association Of Individual Singl 2 (41.02 KiB) Viewed 36 times
An Important Difference Between Single Unit And Multi Unit Smooth Muscle Is The A Close Association Of Individual Singl 3 (28.25 KiB) Viewed 36 times
An important difference between single-unit and multi-unit smooth muscle is the a) close association of individual single-unit fibers with an axon varicosity. b) regulation of myosin light chain phosphorylation via MLCK and MLCP. c) longer actin and myosin filaments in multi-unit smooth muscle. d) numerous gap junctions in single-unit smooth muscle. e) ability of single-unit fibers to change into multi-unit fibers when advantageous.
Which of the following about the smooth muscle cell is FALSE? a) Its contraction and relaxation occur slowly b) Its actin filaments attach to dense bodies and terminate at attachment plaques c) It uses less energy to generate force d) It has high O2 consumption rates e) It can sustain contraction for extended periods without fatiguing
The following are required for cross-bridge formation in the smooth muscle EXCEPT a) troponin and T-tubules. b) tropomyosin and caldesmon Oc) myosin light chain kinase and phosphatase. d) myosin and actin. e) calcium and calmodulin.
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