Write out the Nernst and GHK equations, and explain the significance of each. Define equilibrium potential.
What will be an ideal response?
This is discussed in the "Electrical Signals in Neurons" section of the chapter. The Nernst equation is used to calculate the equilibrium potential for individual ions, while the GHK equation calculates the predicted resting membrane potential of a cell. The equilibrium potential is the voltage at which there is no net movement of a particular ion across the membrane, because the force of the concentration gradient is exactly balanced by the force of the electrical gradient.
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A) Acetylcholine B) Norepinephrine C) Serotonin D) Glutamate E) GABA
Thirty minutes of physical exercise is recommended for most days of the week as a way to improve health and decrease risk factors for heart disease.?
Indicate whether the statement is true or false
The location of the testes and epididymides in the scrotum
A. keeps these organs close to the penis. B. keeps them isolated from the accessory glands of the system. C. allows more room for other organs in the abdominal cavity. D. provides a temperature that is suitable for normal sperm cell development. E. helps to protect them.
The location where two bones meet is called a joint, or an
A) adduction. B) appendix. C) amphiarthrosis. D) articulation. E) insertion.