Cardiac muscle only. Smooth muscle only. Both skeletal and cardiac muscle. Skeletal, cardiac, and smooth muscle. Intercalated disks are found here.
Sarcomeres are present.
Sarcomere organization is the same in skeletal and cardiac muscle, but smooth muscle doesn't have them. Troponin is present. T-tubules are present. Membrane depolarization is carried by T-tubules in striated muscle, but not in smooth muscle. A ratio of 15 to 1 of thin to thick myofilaments.