Which Characteristic Is Unique to Smooth Muscle?
A) T-Tubules Lie $\mathrm{Z}$

Which characteristic is unique to smooth muscle?

A) T-tubules lie across $\mathrm{Z}$ lines
B) Each thick filament is surrounded by six thin filaments
C) Thin filaments attach to dense bodies
D) Cells are multinucleated
E) Cells have centrally located nuclei