Anatomy and Physiology Unit 5 Test Review

The myofilaments are protein filaments (actin: thin and myosin: thick) where the sliding occurs and where ATPase enzymes are used to break down ATP for energy. Explain each of the following terms: A band, I band, actin, myosin, thin filament, thick filament, myosin heads (crossbridges). Be sure to include any specifics discussed in class. ................
................