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Cell Junctions Quiz

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Questions and Answers

What is the location of gap junctions in epithelial cells?

On the basal surface

On the apical surface

On the nuclear surface

On the lateral surface (correct)

What is the function of gap junctions in epithelial cells?

To bind the cell to the basal lamina

To transport large molecules across the cell membrane

To exchange chemical messengers in cell recognition and differentiation (correct)

To provide structural support to the cell

What is the significance of the number "1055" mentioned in the text?

It is the number of transmembrane protein channels in each gap junction

It is the distance between two junctions (correct)

It is an unrelated numerical value mentioned in passing

It is the number of epithelial cells in a tissue sample

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Description

Test your knowledge of cell junctions with this quiz! Learn about the function and location of gap junctions in epithelial cells, and how they bind to the basal lamina. This quiz covers key concepts and definitions related to these important cellular structures. Get ready to ace your biology exam with this informative quiz!