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Review Question - QID 214599

Epithelial Cell Junctions Gap Junction Gap junction QID: 214599 (M1.OMB.1)
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QID 214599 (Type "214599" in App Search)
A physiologist is studying the properties of a novel drug by placing the drug in a culture of cardiomyocytes. His culture is set up as a 2 chamber system where the first chamber is directly stimulated with electrodes and the second is isolated from direct electrical connections. The two chambers are connected by a thin layer of cells along the bottom of the plate. During a baseline test of her experimental system, she finds that inducing an action potential in one chamber led to depolarization of both chambers. After adding the drug, the first chamber is still depolarized normally, but the second chamber is non-reactive. The drug being studied most likely affects which of the following types of proteins?
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