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Anatomy Cailage tissue & cell junctions 693c6ab0

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.
High-Yield Explanation
The gap junction channel regulates the passage of ions and small molecules from cell to cell, excluding those having a molecular weight greater than 1200 Da. The tight junction is the zone of adhesion around the apical perimeter of adjacent cells. The other statements are characteristics of desmosomes.
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