The type of muscle cell that lacks transverse tubules, has a single nucleus, and is under involuntary control is
A)skeletal muscle.
B)smooth muscle.
C)cardiac muscle.
D)striated muscle.

Question

Quizplus · Accepted Answer

Smooth muscle lacks transverse tubules, has a single nucleus, and is under involuntary control. Skeletal muscle has transverse tubules, multiple nuclei, and is under voluntary control. Cardiac muscle also has transverse tubules, a single nucleus, and is under involuntary control, but it is striated, unlike smooth muscle.

The Type of Muscle Cell That Lacks Transverse Tubules, Has