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HERS 460 - Exercising Muscle

Horizontales
The muscle cell is _____________ when the z-disks are closer together after having actin and myosin having "slid" past eachother.
Due to the machinery in Type IIx fibers, they burn the fuel ____________ best.
The mineral that appears in the sarcoplasm when an AP moves down a t-tubule.
The geographic location of the t-tubule, SR and glycogen/glycolysis combo
Anatomical feature of a muscle cell that allows the AP to get "into" the muscle cell causing the SR to release Ca2+. (no hyphen needed)
The color Type I fibers are due to their high levels of mitochondria and myoglobin.
Neurotransmitter that allows the motor unit's neuron pass the AP onto the muscle fiber.
Type I fibers are called the slow, ________ fibers.
Type of neuron within a motor unit.
Myofilament that has the ATPase
Verticales
The glycogen pool that is found within the muscle cell Triad.
This structure is formed between actin and myosin upon tropomyosin moving and uncovering the myosin binding spots on actin.
Due to the machinery in Type I fibers, they burn the fuel _____ best.
"Thin" or "light" myofilament
Type IIx fibers are called the fast, _________ fibers.
The muscle cell is _________ when there is no Ca2+ present in sarcoplasm.
Myofilament that binds to Ca2+ when released from SR