A muscle cell experiencing resting membrane potential is:
A) polarized.
B) propagating an action potential.
C) more negatively charged on its exterior than in its interior.
D) experiencing depolarization.
Answer: A
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The sodium-potassium pump moves
A. sodium and potassium into the cell. B. sodium and potassium out of the cell. C. sodium into the cell and potassium out of the cell. D. sodium out of the cell and potassium into the cell.
What type of reaction releases energy?
A) catabolic reaction B) endergonic reaction C) exergonic reaction D) equilibrium reaction
Which of the following best summarizes the principle of complementarity of structure and function?
A) function follows structure B) form follows function C) structure drives function D) maintenance of a stable internal environment
The neuron plasma membrane is - times more permeable to ______ than to sodium
Fill in the blank(s) with the appropriate word(s).