SAS 7- Muscular System with verified Questions and well Elaborate Answers
The ________ is the functional unit of skeletal muscle because it is the smallest portion of the skeletal muscle capable of ___________. - C. sarcomere, contracting All of the following describe the characteristics of acetylcholine, except: - C. binds to receptors on the presynaptic terminal. The myosin myofilaments are anchored into the cytoskeleton of the cell by the __________. - A. M line Muscle fibers: (Select all that apply) - A. have a relatively high metabolic rate , D. preferentially use aerobic respiration Which of the following pertains to actin myofilaments? - B. are attached to Z lines at one end. Which of the following statements is FALSE? - B. The concentration of Na+ is higher inside the cell than outside.
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