After an action potential has been initiated, there are two processes that prevent the membrane from remaining depolarized forever. What are these two processes? activation of ligand-gated channels activation of the Na/K pump activation of voltage-gated K+ channels activation of voltage-gated Na+ channels inactivation of ligand-gated channels inactivation of the Na/K pump inactivation of voltage-gated K+ channels O0000 0 O

Q: In the figure to the left, name the 4 phases of the action potential (Note: you have to write in…

A: Hello! Since you have asked multiple questions, we will solve the first question for you. If you…

Q: A neuron with a resting membrane potential of -75 mV receives multiple inputs giving rise to the…

A: The action potential is a condition of a nerve impulse or electrical activity when there is a…

Q: 1) A drug was added to a cell with a resting membrane potential = -12mV. When added, the drug caused…

A: Note: As per the guidelines, we are answering the first question here. Please repost the other…

Q: EXTRACELLULAR INTRACELLULAR ION CONCENTRATION CONCENTRATION (mM) (mM) K* 4 140 Na* 145 15 Cl- 110 4…

A: At the peak of action potential no flow of ions occur at equilibrium, means when membrane potential…

Q: A change in the axon membrane potential from -70 mV to -64 mV would be called a depolarization…

A: RESTING MEMBRANE POTENTIAL: The ground value of a trans-membrane voltage that remains static unless…

Q: a) Explain in detail what is occurring at stage A in the graph. (Be specific in terms of what's…

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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: A 100-um diameter nerve axon has the following properties: rm = 2.5 x 104 ohm x cm, ri = 1 x 105…

A: The resting Vm is the membrane potential when no current is flowing through the axon. It is the…

Q: Separately, draw a table using arrows to depict the appropriate magnitude and direction of the…

A: Ion influxes at membrane potentials refer to the movement of ions across the cell membrane in…

Q: What do you think would happen to the neuronal action potential if the concentration of sodium ions…

A: An action potential has many different stages; hypopolarization, depolarization, overshoot,…

Q: Let’s say the synapses of a neuron’s dendrites are filled with glutamate-gated channels which, when…

A: EPSP refers to the excitatory postsynaptic potential which is generated as a result of the…

Q: Which of the following statements best describes the features of voltage-gated K+ channels?…

A: Voltage-gated potassium (K+) channels are ion channels that help regulate the membrane potential of…

Q: What determines the activity of the voltage-gated Na1 channel?

A: Cell membrane channels are transmembrane channels. These channels are present in the bilayer of the…

Q: Why doesn’t an action potential that is propagated down an axon go in the reverse direction

A: Introduction Neurons are the small cells or units which are responsible for conducting electrical…

Q: Why does neuronal function require the voltage-gated K+ channels to open more slowly than the…

A: Voltage-gated channels are specialized proteins that are essential for the generation and…

Q: What happens to Na+ when a neuron is stimulated on its dendrite? Why does the movement of Na+ raise…

A: When different ions cross the neuron membrane action potentials is  induced. A stimulus first…

Q: Separately, draw a table using arrows to depict the appropriate magnitude and direction of the…

A: Ligand-gated channels are integral membrane proteins that respond to the binding of specific…

Q: The above repolarization of a neuron will result in which of the following ionic currents? a…

A: Action potential generates when the neurons want to pass the information along the body from its…

Q: What kind of graded potential describes a change in membrane potential from  70 to  60 mV? From  70…

A: The membrane potential is the difference between the two electric potentials the interior and the…

Q: What happens to the membrane potential inside and outside of the cell when K+ channels are open?

A: Potassium Channels are actually membrane proteins that allows  K+ ions to come in across the cell…

Q: Which of the following intracellular potentials would have the greatest electrical attraction for…

A: Cell Membrane potential is a potential slope that forces ion particles to move in one side. positive…

Q: You generate action potentials in a neuron bathed in solution in a petri dish by applying a…

A: An action potential is a rapid sequence of changes in the voltage across a membrane. This action…

Q: +50 CD Membrane Potential (mV) -50- A -100 E Time -> O A OB

A: The communication of neurons with each other take place with the help of brief electrical signals…

Q: What are THREE major functional characteristics of the voltage-gate Na+-channels and how do these…

A: Voltage gated sodium Ion channels are integral membrane proteins, present in the cell membrane of…

Q: If the equilibrium potential for K+ is -90mV, and the charge inside the cell is -70mV, which…

A: Membrane potential is the difference in internal and external electric potential of a cell. This…

Q: Jose measures membrane potential in two neighboring cells. He notices that when the membrane…

A: Membrane potential It refers to the difference in electric potential between the interior and the…

Q: Neurons, particularly those in the brain, receive multiple excitatory and inhibitory signals. What…

A: Neurons are the basic functional unit. It is a specialized cell that is designed to transfer…

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: Separately, draw a table using arrows to depict the appropriate magnitude and direction of the…

A: Ligand-gated channels are integral membrane proteins that respond to the binding of specific…

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…

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Q: Let's say you have neurons in a petrie dish bath in a solution in which the extracellular K+…

A: Membrane potential(Vm) is defined as the potential created due to the difference in the electric…

Q: 1) What is responsible for returning the cell to its normal resting membrane potential following the…

A: Neurons are the basic unit of the nervous system that carry electrical stimuli throughout the body.…

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: EXTRACELLULAR INTRACELLULAR ION CONCENTRATION CONCENTRATION (mM) (mM) K* 4 140 Na* 145 15 Cl 110 4…

A: Membrane potential is a difference between intracellular and extracellular electrochemical…

Q: taw a graph representing the changes in membrane potential across the axonal membrane before,…

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Q: which are Communication between neurons is mediated by rapid changes in propagated along the length…

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Q: List the two types of voltage-gated channels that playimportant roles in the production of action…

A: Changes in membrane potential are brought about by changes in ion movement across the membrane. A…

Q: When a neuron reaches threshold voltage, all voltage-gated channels are triggered to make…

A: Neurons are specialized cells that transmit information in the nervous system. When a neuron…

Q: As the axonal membrane depolarizes during the rising phase of an action potential, the amplitude of…

A: During the rising phase of an action potential, the correct statement is:The amplitude of Na+…

Q: If a neuron is stimulated simultaneously by 2 stimuli at its dendrites (one generates a very large…

A: The cells of nervous system are called neurons. They have 3 distinct parts, including the body of…