The price elasticity of demand measures thea. responsiveness of a good's price to a change in quantity demandedb. adaptability of suppliers when a change in demand alters the price of a goodc. responsiveness of quantity demanded to a change in a good's priced. adaptability of buyers when there is a change in demande.
Striations are a key attribute to identify skeletal and cardiac muscle types. Although striations are usually visible in most sections of these muscle types, it can sometimes take a little adjustment of the microscope lighting to see them clearly.
Smooth muscle is the only muscle of this type and without striations, other less obvious characteristics are used to identify this tissue. Before we examine smooth muscle in longitudinal or cross-section, it might be worth our while to determine why some myofibers are striated while others are not.