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Gap junctions are absent in __________(a) Sperm cells(b) Reproductive cells(c) Cardiac cells(d) Brain cellsThe question was posed to me at a job interview.This interesting question is from Extracellular Matrix and Cell Interactions topic in division Extracellular Matrix and Cell Interactions of Cell Biology

Answer» RIGHT choice is (a) SPERM cells

The BEST I can EXPLAIN: Gap junctions are absent in all the cell that are MOTILE. Gap junctions are also absent in erythrocytes. These motile cells do not have a necessity for the passage of molecules or ions.


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