Physiology Test Question

In skeletal muscle cells, the dihydropyridine (DHP) receptors of the t-tubules communicate with the ryanodine receptors of the sarcoplasmic reticulum via:

	(A) A mechanical link
	(B) A mysterious second messenger molecule
	(C) An unknown ion channel
	(D) A and B only
	(E) A and C only

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Posted: Monday, September 8, 2014

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