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12 December, 13:04

Cells within an epithelium are held together by special connections called junctions. Which junction provides a direct passageway for small molecules to pass from one cell to another?

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  1. 12 December, 16:16
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    Gap junctions

    Explanation:

    The cell to cell communication is a characteristic feature of the multicellular organism which takes place through the special junctions.

    The epithelium is a layer of animal cell therefore the junction which allows the passage of small molecules from one cell to another cell is known as Gap junction.

    Gap junctions are formed by the arrangement of connexon proteins in the membrane which allows the molecules smaller than the 1000 Da to move between the cells.

    Thus, a Gap junction is the correct answer.
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