Which of the following statements about epithelial cells or epithelial transport is NOT correct?
A. When substances cross epithelial barriers by going through the cell membranes and cytosol, it is called the transcellular pathway.
B. The plasma membrane of epithelial cells that face the inside of a hollow or fluid-filled chamber in the body is called the basolateral membrane.
C. Epithelial cells lining the small intestine have Na+-K+-ATPase pumps only in their basolateral membranes.
D. Epithelial cell membranes express different transport proteins on different cell surfaces.
E. The pathway taken by substances that flow between epithelial cells is called the paracellular pathway.
Answer: B
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Fill in the blank(s) with the appropriate word(s).
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