Which of the following is TRUE of gap junctions?
A)They are holes in the cell wall through which the plasma membrane and endoplasmic reticulum of adjacent cells are connected.
B)They are channels in the plasma membrane of plant cells made of transmembrane proteins that allow ions and small molecules to pass between adjacent cells.
C)They are channels in the plasma membrane of animal cells made of transmembrane proteins that allow ions and small molecules to pass between adjacent cells.
D)They provide points of structural support between adjacent plant cells.
E)They provide points of structural support between adjacent animal cells.

Question

Quizplus · Accepted Answer

Gap junctions are channels in the plasma membrane of animal cells made of transmembrane proteins that allow ions and small molecules to pass between adjacent cells. They are important for intercellular communication and coordination of cellular activities. Plant cells have similar channels called plasmodesmata.

Which of the Following Is TRUE of Gap Junctions