Which one of the following is not the characteristic of cardiacNa+ Channels?
A: very fast opening
B: responsible for initiating and propagating the action potential in fast response cells
C: threshold potential is –40mV
D: not Tetrodotoxin sensitive
A: very fast opening
B: responsible for initiating and propagating the action potential in fast response cells
C: threshold potential is –40mV
D: not Tetrodotoxin sensitive
举一反三
- Which of the following about action potential is wrong? A: all or none B: unattenuated potential C: has refractory period D: stimulus dependence
- Which one of the following can not describe the purpose of generic structure potential?
- Which of the following cell activities need energy consumption? <br/>() A: Maintain normal resting potential B: A large amount of Na+<br/>influx occurs when the threshold potential is reached C: K+<br/>outflow in repolarization phase of action potential D: Ca2+<br/>in the cytoplasm of skeletal muscle accumulates into the sarcoplasmic<br/>reticulum E: Uneven distribution of Na+<br/>and K+<br/>inside and outside the cell
- Which of the followings are potential benefits of an organisation acting in a socially responsible manner?
- 中国大学MOOC: All of the following, with one exception, are potential impacts on a business of removal of significant funds or assets. Which is the exception?