Gap Junctions and Plasmodesmata Differ in That

question 27

Multiple Choice

Gap junctions and plasmodesmata differ in that

• A) gap junctions are connected by protein tubules called connexons, whereas plasmodesmata are connected by extensions of the plant's cell walls.
• B) gap junctions allow much larger molecules to pass through them.
• C) gap junctions allow no real physical connection between cells; rather they are the spaces between cells.
• D) one is found in animals and the other is found in plants.
• E) gap junctions are connected by desmotubules, and plasmodesmata are connected by connexons.

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