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TEST 3 - Topics for Essay Questions:
Description and explanation of banding patterns within a myofibril in both
relaxed and contracted states
Types of skeletal muscle contractions – isotonic and isometric
Energy supply for muscle contraction; role of ATP, aerobic and anaerobic
pathways; alternative supplies of energy, oxygen, etc.
Location, action, origin, and insertion of selected muscle groups, such as
those described in Lab. Ex. 4
Organization and role of membrane system, including sarcolemma, sarcoplasmic
reticulum, and transverse tubules
Compare and contrast the types of muscle tissue
Compare and contrast subtypes of skeletal muscle fibers
Detailed structure and function of myofilaments
Detailed account of the mechanism of muscle contraction
Detailed account of the transmission of nerve impulse and nerve message to
neuromuscular junction, across the neuromuscular junction, and throughout
the muscle fiber membrane system
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