Which of the Following Statements About Epithelial Cells and Epithelial

question 44

Multiple Choice

Which of the following statements about epithelial cells and epithelial transport is NOT correct?

• A) Epithelial cell membranes express different transport proteins on different cell surfaces.
• B) Epithelial cells lining the small intestine have Na, K-ATPase pumps only in their basolateral membranes.
• C) 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.
• D) The pathway taken by substances that flow between epithelial cells is called the paracellular pathway.
• E) When substances cross epithelial barriers by going through the cell membranes and cytosol, it is called the transcellular pathway.

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Definitions:

Independent Variable

A variable in an experiment that is manipulated or changed by the researcher to observe its effects on the dependent variable.

Covaries

When two variables change in relation to each other, suggesting a potential relationship or correlation between the two.

Double-Blind Procedure

A research or testing method in which neither the participants nor the experimenters know who is receiving a particular treatment, to prevent bias.

Experimenter's Bias

A distortion in research outcomes due to the researcher's expectations influencing the study.