What structure is indicated by yellow box structure?
What does the arrow point to?
What is B?
The dark areas of a myofibril that corresponds to the areas where thick filaments are present
The light areas of a myofibril that contain only thin filaments
A protein disk within the I band that anchors the thin filaments
What is A?
What does arrow point to?
What is C?
Center of A band that contains only the thick filament
Region in center of H zone that holds thick filaments together at center of sarcomere
Protein that makes up thin filaments
Protein that makes up thick filaments
What is labeled with a letter A?
What is labeled with a letter B?
the segment of a myofibril that is the unit of contraction, extending from one z line to the next z line