Gap junctions that span the gap between plasma membranes of two cells are composed of
A) plasmodesmata.
B) connexons.
C) desmosomes.
D) ion channels.
E) desmotubules.

Question

Quizplus · Accepted Answer

Gap junctions are composed of connexons, which are made up of proteins called connexins that form channels between cells allowing for communication and the transfer of ions and small molecules.

Gap Junctions That Span the Gap Between Plasma Membranes of Two