Which Feature Distinguishes a Smooth Muscle Cell from a Skeletal

Multiple Choice

Which feature distinguishes a smooth muscle cell from a skeletal muscle cell?

A) Smooth muscle cells are larger than skeletal muscle cells.
B) Most smooth muscle cells are branched, whereas skeletal muscle cells are unbranched.
C) There is a more regular array of actin and myosin filaments in smooth muscle than there is in skeletal muscle.
D) In smooth muscle, action potentials can spread from one cell to the next through gap junctions, whereas gap junctions do not occur between skeletal muscle cells.
E) Smooth muscle is primarily under voluntary control through the autonomic nervous system, whereas skeletal muscle is under involuntary control.