Select the correct statement about membrane permeability and ion potential
a. the concentration of potassium ions is the same extracellularly and intracellularly.
b. the concentration of potassium is higher extracellularly than intracellularly.
c. the concentration of sodium is higher extracellularly than intracellularly.
d. the membrane is more permeable to anions than to potassium.
e. the membrane is more permeable to sodium than to potassium.
C
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The energy of motion is known as _________ energy
Fill in the blank with correct word.
A series of quick, bouncing-type stretches is called __________________ stretching. ________________________________________
Fill in the blank(s) with the appropriate word(s).
In the developmental process, the lumen (space) of the neural tube becomes the
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