Question

cell junction is mediated
by integrin.
a. Gap
b. Hemidesmosomes
c. Desmosomes d. Adherens​

Answer 1

hemidesmosomes

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Answer 2

Gap cell junction is mediated by integrin  

Answer: Option a)  

Explanation:  

Four kinds of molecules exist that help in cell junction functions: integrins, cadherins, selectins and superfamily of immunoglobulin. The function of integrin is to act as the main receptors and bind the matrix present outside the cell. These act as linkers of transmembrane between the cytoskeleton and the matrix. These are a type of heterodimers. Gap cell junction allows the exchange of small metabolities.