An Individual Genetically Unable to Synthesize Normal Occludin Is Likely

An individual genetically unable to synthesize normal occludin is likely to have epithelia with defective regulation in which of the following?

A) Material crossing the epithelium between the cells (paracellular movement)
B) Communication between the cells
C) Attachment to the basement membrane
D) Strong attachment to neighboring cells
E) Movement of membrane proteins in the apical domains of cells