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  4. The type of cell junctions that helps in preventing leakage of substances is called

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Q. The type of cell junctions that helps in preventing leakage of substances is called

NTA AbhyasNTA Abhyas 2022

Solution:

Three types of cell junctions are found in the epithelium and other tissues. These are called tight, adhering, and gap junctions. Tight junctions help to stop substances from leaking across a tissue. Adhering junctions perform cementing to keep neighbouring cells together. Gap junctions facilitate the cells to communicate with each other by connecting the cytoplasm of adjoining cells, for rapid transfer of ions, small molecules and sometimes big molecules.