試題詳解

30. Which of the following characteristics best describes specialized cell junction?
(A) Adherens junctions but not desmosomes are the main types of anchoring junctions.
(B) Gap junctions prevent the movement of molecules across cell layers.
(C) Tight junctions allow direct electrical and chemical communication between cells.
(D) Plasmodesmata permit direct cell-cell communication between plant cells.
(E) Tight junctions are the main types of communicating junctions between cardiac muscle cells.