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What is the primary role of gap junctions in cellular communication?

1. Balbiani rings are involved in RNA and protein synthesis.
2. Ribosomes are organelles that lack a surrounding membrane.
3. Gap junctions enable neighboring cells to communicate by linking their cytoplasm, allowing the quick exchange of ions, small molecules, and some larger molecules.
4. Balbiani rings are large chromosomal puffs ideal for studying active genes and the movement of RNA-protein complexes.

Correct answer: Gap junctions enable neighboring cells to communicate by linking their cytoplasm, allowing the quick exchange of ions, small molecules, and some larger molecules.

Solution

Gap junctions are specialized intercellular connections that allow direct communication between adjacent cells by enabling the transfer of ions and small molecules, which is crucial for coordinated cellular activities.

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