GR - MM Mechanisms of Contraction and Neural Control III

GR - MM Mechanisms of Contraction and Neural Control III -...

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Guided Reading – Muscle: Mechanisms of Contraction and Neural Control III 1. Smooth muscle cells A. contain intercalated discs. B. contain A and I bands. C. are innervated by somatic nerves. D. may contain gap junctions. 2. The deadly botulinum toxin can be used in the cosmetic treatment of skin wrinkles because it produces a flaccid paralysis. True False 3. Myostatin is A. a paracrine regulator that inhibits satellite cell function and muscle growth. B. a paracrine regulator that stimulates satellite cell function and muscle growth. C. an autocrine regulator that inhibits satellite cell function and muscle growth. D. an autocrine regulator that stimulates satellite cell function and muscle growth. 4. _________ filaments are attached to dense bodies in smooth muscle cells. A. Actin B. Myosin C. Troponin D. Tropomyosin 5. The first 1 to 2 minutes of moderate to heavy exercise relies on _____ for ATP production. A. aerobic respiration of glucose
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GR - MM Mechanisms of Contraction and Neural Control III -...

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