Anatomy Which one of the following statements about the gap junction is true? A It extends as a zone around the apical perimeter of adjacent cells. B It possesses dense plaques composed in pa of desmoplakins. C It permits the passage of ions from one cell to an adjacent cell. D Its adhesion is dependent upon calcium ions. 💡 Explanation Which one of the following statements about the gap junction is true? ✓ Correct Answer: C. It permits the passage of ions from one cell to an adjacent cell.