Cell Biol Exam 1, SP 17 Time 80 it Points 75 Ch 1, 8, 11 & 12 21. Auditory hair

Question

Cell Biol Exam 1, SP 17 Time 80 it Points 75 Ch 1, 8, 11 & 12 21. Auditory hair cell is an example of a. Leaky channel b. Ligand-gated channel c voltage-gated channel d, Mechanically-gated channel 22. Which of the following is true about transport of ions through a ion channel? a. The transport of ions depends on the size of the ion charge of he ion b. Transport of ions through the channel is selective and depends on the selectivity filter of an ion channel is lined by carbonyl oxygen d. The ions loses their water shells as it enters the ion channel e. All of the above 23. The rate of impulse transmission is affected by: Temperature a. The myelin sheath b. Diameter of nerve fibers c. d. Av b and Care correct e. A and B are correct

Explanation / Answer

21)dmechanically gated channel

22)b

23)d

24)e

25)aPotassium ions are flowing into the cell.

26)c sds

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