A neurotransmitter binds to a receptor on a muscle cell and causes sodium channels to open. This is an example of a: Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a voltage-gated channel. b ligand-gated channel. mechanosensitive channel. d carrier protein.

A neurotransmitter binds to a receptor on a muscle cell and causes sodium channels to open. This is an example of a: Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a voltage-gated channel. b ligand-gated channel. mechanosensitive channel. d carrier protein.

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter13: The Nervous System

Section: Chapter Questions

Problem 5SQ: The accelerating flow of _______ ions through gated channels across the membrane triggers an action...

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Similar questions

Which of the following ion movements would be expected to produce an IPSP? Opening a calcium channel Opening a potassium channel Simultaneous opening of a chloride channel and a sodium channel Opening a sodium channel
Which of the following best describes the behavior of a gated channel? It stays open continuously when stimulated. It opens more frequently in response to a given stimulus. It opens more widely as the stimulus becomes stronger. It requires a stimulus to change from closed to open
The resting membrane potential of a neuron or muscle cell is a. equal to the potassium equilibrium potential. b. equal to the sodium equilibrium potential. c. somewhat less negative than the potassium equilibrium potential. d. somewhat more positive than the sodium equilibrium potential. e. not changed by stimulation.
A _______________ is a drug that causes temporary paralysis by blocking the transmis- sion of nerve stimuli to the muscles. neuromuscular blocker skeletal muscle relaxant
Which of the following are mechanisms of gustation transduction? Select one or more: a. Hydrogen atoms activate proton channels b. Sodium ions activate sodium channels and a graded potential is produced c. Entry of sodium and calcium causes the cell to depolarize and voltage-gated calcium channels to open d. Calcium ions activate calcium channels and a graded potential is produced
A drug that binds with the receptor that the neurotransmitter binds with and opens ion channels is an example of a(n) _______. synergist antagonist agonist protagonist
Choose two false statements and explain why? Toxin causes voltage-gated sodium channels to open at a lower voltage toxin slows down the inactivation of sodium channels toxin causes ligand-gated sodium channels to open toxin causes voltage-gated potassium channels to open faster
A specific stimulus produces a receptor potential by :-a- inhibiting Na + influx into receptorb- inhibiting K + efflux from receptorc- enhancing Na + influx into receptord- enhancing K + efflux from receptor
A sodium channel in a nerve membrane a)Inactivation gate closes when the membrane reaches ~+30 mV. b)Opens and closes quickly. c)Activation gate opens when the membrane reaches threshold voltage. d)'Resets' when the membrane reaches resting potential .
How can molecules pass through a closed gate such as in ligand-gated channel protein? Group of answer choices Receptor must receive pressure to open the gate. Receptor must receive electrical signals to open the gate. Receptor must receive signals or stimulus from the neurotransmitter to open the gate. The ligand-gated channel protein is always open, and it does need any stimulus
If depolarization occurs at the neuromuscular junction and threshold is met, then voltage-gated calcium channels in the axon terminal will open. voltage-gated acetylcholine receptors will open. acetylcholine receptors will open and close. ligand-gated channels will open nearby. voltage-gated sodium and voltage-gated potassium channels will open nearby.
What does a mechanically gated channel respond to?a. physical stimulusb. chemical stimulusc. increase in resistanced. decrease in resistance