How are the events of excitation-contraction coupling in cardiac muscle cells similar to skeletal muscle cells?

Name the types of burns one can get and which structures of the integument are damaged

The bacteria inside a tube worm would be analogous to what organism in the ocean ecosystem near the waters surface? a. photosynthetic algae b. shrimp c. clown fish d. parasitic lamprey

Fredrick griffith made a scientific discovery in 1928