Nuclear pores have proteins that open and close,controlling flow of cell solutions and molecules in and out of the nuclear envelope (a double-thick membrane).In this,nuclear pores are similar in structure and function to

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Gap junctions are specialized protein channels in cell membranes that allow the exchange of small molecules and ions between adjacent cells. Like nuclear pores, gap junctions are also involved in regulating the flow of molecules between cellular compartments. Vacuoles are membrane-bound organelles involved in storage and transportation of substances within cells. Cilia are hair-like structures on the surface of cells involved in movement and sensing. Cytoskeleton microtubules are involved in cell shape, movement, and division, but not in the regulation of molecular flow across cellular membranes.

Nuclear Pores Have Proteins That Open and Close,controlling Flow of Cell