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Lactate produced by muscle cells Question 11 Not yet answered Points out of 2.00 P Flag question Select one: O a. can be exported into the bloodstream and use by other cells. O b. is always broken sown to yield ATP within the muscle cell that produced it. O c. is produced only during very intense exercise. O d. is always used to produce glucose by gluconeogenesis in the cell that produced it. Question 12 Not yet One reason that fast glycolytic muscle fibers fatigue more rapidly than slow oxidative muscle fibers is that fast glycolytic fibers Points out of 2.00 F Flag Select one: O a have lower capacity for glycolysis than slow oxidative fibers. O b. use ATP more rapidly than slow oxidative fibers. O C. contain lower amounts of ATP than slow oxidative fibers. O d. have a higher capacity for oxidative phosphorylation than slow didative fibers. Question 13 Which statement regarding the vertebrate hair cell is false? Not yet answered Points out of 2.00 Flag question Select one: O a. When displaced enough toward the kinocilium, the hair cell will produce a train of action potentials O b. Displacement toward the kinocilium produces depolarization O c. Dos[lacement away from the kinocilium produces hyperpolarization d . The vertebrate hair cell is an epithelial cell. O Which statement best describes the vertebrate vestibular system? Question 14 Not yet answered Points out of 2.00 P Flag Select one: O a. The incus, malleus, and stapes detect movement by amplifying sound to the oval window O b. A circular canal detects movement via fluid that stimulates the oval window. O c. Four canals, including the cochlea, detect indirect movement of hair cells. d . Three semicircular canals detect movement via fluid that simulates hair cells in the crista ampullaris O Question 15 Which structure is responsible for hearing? Not yet Points out of 2.00 F Flag Select one: O a. Vestibular organ b. Circular canals O c. Organ of corti O d. Otoliths