試題詳解

41. Which of the following statements about cell junctions is FALSE?
(A) Actin filaments anchor desmosomes in the cytoplasm.
(B) Hemidesmosomes connect cells to extracellular matrix (ECM) via integrins.
(C) Integrin is a transmembrane protein with two nonidentical subunits.
(D) Cadherins are Ca2+-dependent molecules to create cell-to-cell junctions.
(E) The connexons of gap junctions allow the passage of ions.