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The cell junctions called as tight, adhering and gap junctions are found in --------------------.

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Important Questions on Structural Organisation in Animals

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Epithelial cells in animals are held by specialized junctions, one of them being "Gap junction". Function of a "Gap junction" is to
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The ciliated epithelial cells are required to move particles or mucus in a specific direction. In humans, these cells are mainly present in:
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Cuboidal epithelium with brush border of microvilli is found in
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The following type of cell junction is not found in animal tissues.
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Intercellular junctions preventing leakage of the body fluids are:
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Statement I : Tendons attach one bone with another bone.
Statement II : Epiglottis is formed by elastic cartilage.

The correct option among the following is

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Assertion (A) : Skeletal muscle fibre is in syncytial state
Reason (R):  It is formed by fusion of cells
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Study the following statements and identify the correct statements-
I) Microglial cells keep the cerebrospinal fluid in the ventricles of brain in constant circulation
II) Arrector pili muscles are unstriated muscles
III) Basophils remove antigen-antibody complexes from the blood
IV) Perichondrium is absent in fibrous cartilage

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Adult human RBCs are enucleate. Which of the following statement(s) is/are most appropriate explanation for this feature?

(i) They do not need to reproduce

(ii) They are somatic cells

(iii) They do not metabolize

(iv) All their internal space is available for oxygen transport
EASY
Identify the types of cell junctions that help to stop the leakage of the substances across a tissue and facilitate communication with neighbouring cells via rapid transfer of ions and molecules.