What is the diameter of a gap junction?(a) 2.2 – 3 nm(b) 3 – 3.2 nm(c) 1.2 – 2 nm(d) 0.2 – 2 nmI had been asked this question in examination.Enquiry is from Extracellular Matrix and Cell Interactions in section Extracellular Matrix and Cell Interactions of Cell Biology

What is the diameter of a gap junction?(a) 2.2 – 3 nm(b) 3 – 3.2 n

1.	What is the diameter of a gap junction?(a) 2.2 – 3 nm(b) 3 – 3.2 nm(c) 1.2 – 2 nm(d) 0.2 – 2 nmI had been asked this question in examination.Enquiry is from Extracellular Matrix and Cell Interactions in section Extracellular Matrix and Cell Interactions of Cell Biology
Answer» Correct choice is (C) 1.2 – 2 nm For explanation: The GAP junctions have a wide diameter of about 1.2 – 2 nm. These gap junctions are CAPABLE of ALLOWING molecules that are slightly larger than the normal sized ones.

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