Difference between gap junction and tight junction?

Answer:
A gap junction is a '' tunnel '' between cells in which messages and nutrients can be passed back and forth. A tight junction is the connection between two cells that is strongly '' sown '' with protein threads to help maintain tissue conformation.
First answer by Neodarwinian. Last edit by Neodarwinian. Contributor trust: 125 [recommend contributor recommended]. Question popularity: 2 [recommend question].