One Can Inject Dyes of Different Sizes into a Liver

Multiple Choice

One can inject dyes of different sizes into a liver cell and determine those molecules that can readily pass through gap junctions.What sized molecules can pass through gap junctions?

A) <1,000 Daltons
B) >10,000 Daltons
C) >1,000 Daltons,but <1,500 Daltons
D) >5,000 Daltons,but <10,000 Daltons
E) >1,500 Daltons,but <5,000 Daltons