abockfnHQUESTION 11What property of the voltage-gated potassium channels allows K ions to pass?O a. Two polypeptide subunits are synthesized when the membrane is depolarized, allowing K+ ions to pass.O b. Depolarization causes the subunits to temporarily disintegrate so that K* ions can pass through the membraneOc. The voltage-gated potassium channels open when the polypeptide subunits are disinhibitedO d. Depolarization causes the four polypeptide subunits specific to the voltage-gated K* channel to twist into a shape that allows K* ions to passescK←→→QUESTION 12Why does ACh slow the heart rate?O a. It stimulates muscarinic receptors that open potassium channelsO b. It stimulates muscarinic receptors that close potassium channelsO c. It stimulates nicotinic receptors that open potassium channelsOd. It stimulates nicotinic receptors that close potassium channelsper the core oClick Save and Submit to save and submit. Click Save All Answers to save all answers.!Type here to search1?QA@N2WS#*3XEalt14 101$DO Ei4%RC5LLAT40F GV64-&Y7HB400N(39KM65°FV

Cell signaling can be both intracellular and intercellular. Intracellular signals are generated by…

QUESTION 11 What property of the voltage-gated potassium channels allows K ions to pass? O a. Two polypeptide subunits are synthesized when the membrane is depolarized, allowing K+ ions to pass. O b. Depolarization causes the subunits to temporarily disintegrate so that K* ions can pass through the membrane O c. The voltage-gated potassium channels open when the polypeptide subunits are disinhibited O d. Depolarization causes the four polypeptide subunits specific to the voltage-gated K channel to twist into a shape that allows K ions to pass QUESTION 12 Why does ACh slow the heart rate? O a. It stimulates muscarinic receptors that open potassium channels O b. It stimulates muscarinic receptors that close potassium channels O c. It stimulates nicotinic receptors that open potassium channels O d. It stimulates nicotinic receptors that close potassium channels 4

QUESTION 11 What property of the voltage-gated potassium channels allows K ions to pass? O a. Two polypeptide subunits are synthesized when the membrane is depolarized, allowing K+ ions to pass. O b. Depolarization causes the subunits to temporarily disintegrate so that K* ions can pass through the membrane O c. The voltage-gated potassium channels open when the polypeptide subunits are disinhibited O d. Depolarization causes the four polypeptide subunits specific to the voltage-gated K channel to twist into a shape that allows K ions to pass QUESTION 12 Why does ACh slow the heart rate? O a. It stimulates muscarinic receptors that open potassium channels O b. It stimulates muscarinic receptors that close potassium channels O c. It stimulates nicotinic receptors that open potassium channels O d. It stimulates nicotinic receptors that close potassium channels 4

Anatomy & Physiology

1st Edition

ISBN:9781938168130

Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Chapter12: The Nervous System And Nervous Tissue

Section: Chapter Questions

Problem 5ILQ: What happens across the membrane of an electrically active cell is a dynamic process that is hard to...

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