Which ligand-gated channel directly allows for the passage of both sodium and potassium across the cell membrane when the proper ligand is bound to it? Group of answer choices Voltage-gated sodium channel Na+/K+ ATPase nicotinic acetylcholine receptor muscarinic acetylcholine receptor 1 answer

Q: Refer to the graph. current Ion current Inward Outward current A researcher conducts a voltage clamp…

A: This question is about a voltage clamp experiment conducted on a giant squid axon. The voltage clamp…

Q: Which statement does the graph illustrate? Probability of Na channel opening 0.8 0.6 0.4 0.2 0 -80…

A: In membranes, the voltage-gated sodium channels and voltage-gated potassium channels are involved in…

Q: What happens to the sodium inside the cell once the action potential has passed down the axon.…

A: Normally the cell membrane remains negative inside in comparison to outside. This negative potential…

Q: IPSP could result from :-a- opening of K + channelsb- opening of ligand-gated cation channelsc-…

A: The postsynaptic membrane is the membrane, which receives a signal from the presynaptic cell and…

Q: You are recording the electrical activity of a cell body with a resting membrane potential of -70…

A: Given; Resting membrane potential of the cell= -70mV No. of stimuli detected by the cell= 3 from…

Q: Postsynaptic receptors include all the following types, except :-a- G-protein coupled receptorsb-…

A: Metabotropic receptors are also referred to as G protein linked receptors or G protein coupled…

Q: The opening of axonal voltage-gated K+ channels is responsible for which part of the action…

A: Theses channels locate in cell membranes and control transportation of K +ions efflux from and…

Q: DHP-Ryanodine receptors are: O Mechanically-gated O Voltage-gated O Always open O Ligand-gated…

A: Receptors-these are proteins present on the surface of cells that bind to ligands to cause responses…

Q: Reorder the items below to correctly label each number in the diagram. 3 4 Membrane Potential (mV)…

A: Plasma membranes are peppered with a variety of ion channels made up of membrane proteins. Some of…

Q: 30 Hult 2 3 -55 -70 1 Threshold Which statement does not accurately describes the figure above? the…

A: Depolarization or Hyperpolarization is a change within a cell during which the cell undergoes a…

Q: receptors have their neurotransmitter binding site and ion channel are components of different…

A: Answer 1: the receptors have their neurotransmitters binding site and ion channels are components of…

Q: Multiple answers: How may have the drug affect the cell's resting membrane potential? What are…

A: The voltage across a cell membrane during the resting stage is known as the resting membrane…

Q: 3. Electrical Signal: The Action Potential In the figure to the left, name the 4 phases of the…

A: Action potential refers to a fast, propagating change in the resting membrane potential of a cell.…

Q: What membrane protein of the neuron is responsible for briefly increasing the Na+ permeability of…

A: Transporters refer to the membrane protein that transports the molecules and ions from outside of…

Q: Which part of the phosphatidylcholine molecule would be the most non-polar (hydrophobic)? the…

A: Phosphatidylcholine is a type of phospholipid with choline acting as the head group. It is the major…

Q: An axon has a membrane capacitance of 4 x 10 F and the membrane resistance of 2 KQ. If the speed of…

A: Introduction The part of a nerve cell (neuron) that transports nerve impulses away from the cell…

Q: D Question 9 Which of these are not a criterion for being a neurotransmitter? O It must be readily…

A: Introduction : Neurotransmitters are the substances that are released from the neuron terminal to…

Q: Which of the following ion channels are always sensitive to small changes in electric charge?…

A: Transport through the cell membrane is important for cells to supply nutrients, ions, and other…

Q: Identify the stages involved during the changes in membrane potential of the neuron represented in…

A: Nervous system is an important system which helps in maintaining the homeostasis of the human body.…

Q: Dopamine is a major neurotransmitter in the mammalian brain that regulates mood, cognition and…

A: B.Action potential in presynaptic axon terminal results in the opening of calcium channels C.…

Q: Action potential +40 -55 Threshold Falled initiations Resting state -70 Stimulus 1 Refractory period…

A: Every cell has a potential that is difference in the charge due to many factors one of them is…

Q: dentify the inhibitory neurotransmitter which opens chloride ion channels. gamma amino butyric acid…

A: Neurotransmitters are referred to as the body's chemical messengers. They are the molecules used by…

Q: Tetraethylammonia, a toxin that blocks potassium channels, will More than one answer may be…

A: Introduction : There are three phases of action potential. These are depolarisation, repolarisation…

Q: atch the description with the statement that best describes the following statements…

A: When a cell is not stimulated, its resting membrane potential is defined as the electrical potential…

Q: 66) A researcher conducts a voltage clamp experiment on a giant squid axon. She clamps a typical…

A: A voltage clamp is a technique in electrophysical technique that is used to measure the amount of…

Q: When a neurotransmitter binds with receptors at the membrane, it may cause sodium channels to open.…

A: The endogenous chemicals which makes neurons to communicate with each other throughout the body are…

Q: Which of the following is a correct functional match for CGMP? A Opens calcium ion channels Smooth…

A: B-Smooth muscle relaxation cGMP is a typical controller of particle channel conductance,…

Q: After an action potential has been initiated, there are two processes that prevent the membrane from…

A: The generation of action potential is very much important characteristics in nerve cells that is…

Q: The post synaptic cell will become depolarized and propagate an action potential if the summation of…

A: The nervous system consists of neurons and glial cells. Neurons and glial cells are involved in…

Q: Which of the following represents amplification? O G protein activation by GPCR O Arrestin binding…

A: Signal transduction is the process by which a chemical or physical signal is transmitted through a…

Q: Which of the following is a voltage-gated channel?  L-type Ca2+ channel  M3  AChR  Beta 1 receptor…

A: The voltage-gated protein channels may respond to small changes in the dynamic membrane or…

Q: Would anyone be able to explain these different channels? I would like an explanation as to why…

A: All ion channels are primarily located at their respective sites depending on their response to that…

Q: An experimental cell line expresses K+ inward rectifier channels, Na+ leak channels, K+ channels…

A: The α-1 adrenergic receptor is a type of receptor that is responsible for mediating the effects of…

Q: m/potassium/calcium) siowiy enters the cell. This causes the membrane potential to reach…

A: The typical resting membrane potential of a cell which is negative, arises from the separation of…

Q: Caffeine and nicotine have excitatory effects because they: reduce the threshold for…

A: Caffeine and nicotine are both central nervous system stimulants. Caffeine can be found in coffee,…

Q: Which ion channels are controlled by change in membrane potential?     Voltage-gated channels…

A: Membrane potential can be defined as the concentration of ions across the plasma membrane and their…

Q: An action potential signals the release of acetylcholine from the presynaptic neuron. It binds the…

A: An action potential signals the release of acetylcholine from the presynaptic neuron. It binds the…

Q: An experimental cell line expresses K+ inward rectifier channels, Na+ leak channels, K+ channels…

A: Because alpha-1 adrenergic receptors are found in both vascular smooth muscle and cardiac tissue,…

Q: 23. Neurotransmitter binding to the post-synaptic membrane, opening of potassium and/or chloride…

A: Epsp  Excitatory postsynaptic potential (EPSP) is the change in membrane voltage of a postsynaptic…

Q: Conditions: [Na+] outside = .3 mM [Na+] inside the presynaptic cell = .01 mM [dopamine] inside =…

A: Autonomic nervous system consists of preganglionic neuron from CNS, ganglia and postganglionic…

Q: Compound X has been shown to block voltage-gated K+ channels with an IC50 of 0.1 mM. Which of the…

A: An action potential is a brief, all-or-nothing electrical signal that is transmitted along the…

Q: What does glutamic acid do to the membrane potentials of: Neurons - Muscles -

A: Glutamic Acid : It is an α amino acid which is used by all living beings & organisms in the…

Q: Phase Peak Phase Falling Phase Q2. Phases of the action potential Rising Phase membrane is…

A: The nervous system establishes its function by the means of neurons or nerve cells that aid in the…

Q: How do ACh neurotransmitters cause the “second action potential”

A: Acetylcholine is the neurotransmitter of the parasympathetic nervous system that dilates blood…