Which of the following is NOT true of a myofibril?
A. Thin myofilaments consist of actin, troponin, and tropomyosin.
B. Thick myofilaments consist of myosin.
C. Elastic filaments are composed of titin.
D. Myofibrils are composed of muscle fibers.
E. All of these are true of myofibrils.
Answer: D
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A. Ectoderm B. Mesoderm C. Trophoderm D. Endoderm E. Endoderm, mesoderm, and ectoderm
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A. fat catabolism. B. glycogenolysis. C. gluconeogenesis. D. glycogen synthesis. E. release of glucose into the circulatory system.
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A) tarsus. B) brachium. C) manus. D) os coxae. E) carpus.
In general, a muscle's resting length is its optimal length for force generation.
Answer the following statement true (T) or false (F)