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How does a gap junctions facilitate ...

How does a gap junctions facilitate intercellular communication ?

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Gap junctions are microscopic tunnels between the adjacent animal cells. These help in intercellular communication by rapid transfer of ions, small biomolecules and rarely large biomolecules between the cytoplasm of adjacent cells.
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Cell junction facilitating cell to cell communication is

A: Gap junctions connect the cytoplasm of adjoing cells. R: Gap junctions facilitate the cells to communicate wiith each other.

Assertion : Gap junctions perform cementing functio to keep the neighbouring cells together. Reason : Tight junctions facilitate the cells to communicate with each other by connecting the cytoplasm of adjoining cells, for rapid transfer of ions, small and big molecules, etc.

Assertion : Gap junctions perform cementing function to keep the neighbouring cells together Reason : Tight junction facilitates the cells to communicate with each other by connecting the cytoplasm of adjoining cells, for rapid transfer of ions, small and big molecules

Read the following statements carefully : (1) Gap junction facilitates the cells to communicate with each other by connecting the cytoplasm of two adjoining cells to cytoplasm of two adjoining cells . (2) Adhering junctions help to stop substances from leaking across a tissue . (3) compound epithelium covers the dry surface of the skin only and provides protection against chemical and mechanical stresses. (4) most of the bones in vertebrates embryos are replaced by cartilages in adults. How many of the above statement is/are correct ?

Read the following statements and choose the correct answer. (i) Gap junctions cement adjacent cells together. (ii) Areolar tissue contains fibroblasts , macrophages and mast cells. (iii) Tight junctions facilitate the cells to communicate with each other (iv) Adhering junctions help to stop substances from leaking across tissues (v) Cells of connective tissue except blood secrete fibres of structural proteins called elastin.

The type of cell juction which facilitates cell to cell communication is

Gap junctions are present in :

MODERN PUBLICATION-STRUCTURAL ORGANISATION IN ANIMALS-NCERT FILE (EXEMPLAR PROBLEMS) (Short answer type question)
  1. Structural organistion in animals attains different levels as cel...

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  2. Stratified epithelial cells have limited role in secretion , Ju...

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  3. How does a gap junctions facilitate intercellular communication ?

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  4. Why are blood, bone and cartilage called connective tissue ?

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  5. Why are neurons called excitable cells ? Mention special features...

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  6. Why earthworm is called the friend of farmer ?

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  7. How do you distinguish between dorsal and ventral surface of the...

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  8. Correct the wrong statements among the following: (a) In earthworm, ...

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  9. Why nephridia in earthworm that are basically similar in structu...

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  10. Common name of some animals are given in Column A, write their scienti...

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  11. Complete the statement: In Cockroach grinding of food particle is ...

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  12. Complete the statement: Malpighian tubules help in removal of

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  13. Complete the statement: Hind gut of Cockroach is differentiated in...

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  14. Complete the statement: In Cockroach, blood vessels open into spac...

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  15. Mention special features of eye in cockroach.

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  16. Frog is a poikilotherm , exhibits camouflage and undergoes aestiv...

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  17. Write the functions in brief in column B, appropriate to the structure...

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  18. Write the appropriate type of tissues in column B, according to the fu...

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  19. Using appropriate examples , differentiate between false and tr...

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  20. what is special about tissue present in the heart?

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