The different chambers of the ear each have a role in conversion of sound energy into action potential firing in auditory axons. Auditory sensory transduction depends on:单项选择题

A

Tip-links that connect the cilia at the basolateral surface of inner hair cells

B

Mechano-sensitive potassium channels that depolarize modified epithelial cells in the inner ear

C

Cyclic nucleotide-activated cation channels that lie in the apical surface of outer hair cells

D

Stretch-sensitive potassium channels that hyperpolarize hair cells when opened and depolarize them when closed

登录即可查看完整答案

我们收录了全球超50000道真实原题与详细解析,现在登录,立即获得答案。

类似问题

K+ mechanoreceptors in the ear open and close based on movement of which structure?

For stock A, we have 𝛽 𝑖 = 0.70. Suppose the expected market risk premium next year is 9% and the risk-free rate is 3%. What is the expected return of this stock based on the CAPM? (Please answer in % and round to 2 decimal places. If the answer is 8.057%, then in the box, write 8.06)

Suppose a multifactor model has three factor risk premia: market = 6%, profitability = 3%, and investment = 2%. A stock has: 𝛽 𝑚 𝑎 𝑟 𝑘 𝑒 𝑡 = 1.1,                   𝛽 𝑝 𝑟 𝑜 𝑓 𝑖 𝑡 𝑎 𝑏 𝑖 𝑙 𝑖 𝑡 𝑦 = 0.5,                       𝛽 𝑖 𝑛 𝑣 𝑒 𝑠 𝑡 𝑚 𝑒 𝑛 𝑡  = -0.2, And the risk-free rate is 3%. What is the expected return? (Please answer in % and round to 2 decimal places. If the answer is 8.057%, then in the box, write 8.06)

 Suppose that the covariance between a stock and the market portfolio is 0.06 and that the standard deviation of the market portfolio is 0.30. Suppose also that the standard deviation of the stock’s returns is 0.55. Based on the CAPM, what is β of this stock? (Please answer as a number and round to 2 decimal places. If the answer is 0.768, then in the box, write 0.77)

更多留学生实用工具

加入我们，立即解锁 海量真题 与 独家解析，让复习快人一步！