Get ahead with a $300 test prep scholarship
| Enter to win by Tuesday 9/24
Terms in this set (17)
The segment of a myofibril that is called a sarcomere runs from ___________
One Z line to the next Z line
A motor unit is made up of _____________________
a motor neuron and the muscle fibers it innervates
the cross bridges involved in muscle contraction are located on the _________________________
Which of the following does not belong with the others?
Which term is the smallest subdivision in this group?
Muscle cells that are cylindrical, each with a single, centrally located nucleus, and that contract spontaneously are _______________
_____________ surrounds each muscle fasciculus, whereas _________________ surrounds each muscle fiber
Each muscle cell is a _________________
The muscle cytoplasm is also known as the ________________
Which of these units contains overlapping myosin and dark myofilaments?
Which of the following is NOT a function of a muscle?
Which of the below muscles is voluntarily controlled?
quadriceps in legs
Muscle cells that are striated; involuntary; branches w/ central nucleus, lots of mitochondria; separated by intercalated disks are _______________
Which of the following structures connect bone to muscle?
Which of the following molecules is not a necessary component for the "sliding filament theory"?
Which muscle fibers are representative of marathon runners?
Which muscle fibers have little myoglobin and used in powerful bursts of movement?