Explain the following; If a drug partly blocks a membrane’s potassium channels, how              does it affect the action potential? Suppose the threshold of a neuron were the same as the neuron’s resting potential. What would happen? At what frequency would the cell produce action potentials?

Q: 1) Visualization and 2) Electrophysiological

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A: Action potential in neuron is the direct consequence of voltage gated sodium channel. During the…

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A:

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Q: neuron

A: An action potential is triggered by a graded potential that causes the membrane to depolarize until…

Q: Draw a typical action potential (correctly label axis) and explain in words the roles of ion…

A: An action potential (AP) occurs when the membrane potential of a particular cell position rises…

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Q: 14) Review the process by which an action potential is conducted across a synapse. Suppose that in…

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Q: Consider the following graph of an action potential: 60- 30- membrane potential (mV) O -30- -60 line…

A: Action potential refers to the sudden rise and fall of membrane potential across a cellular membrane…

Q: Please answer  3) Which of the following keeps the impulse traveling in one direction down the…

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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…

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Q: toxin creates pores that are permeable to Ca2+. Describe its immediate effect on the resting…

A: Action potential the action potential is defined as the rapid rise and fall in the 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: 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: Describe the sequence of events that occur after a stimulus depolarizes the membrane from resting…

A: The resting potential tells about what happens when a neuron is very still or at rest. An action…

Q: Discuss what happens to the action potential shape when the neuronal environment has sodium removed.…

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A: Introduction EPSPs Are Connected With A Transmitter-induced Increase In The Synaptic Membrane's Na+…

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Q: - In terms of Na and K ion gradient /movement - what causes the action potential (positive charge…

A: The Na+ K+ ion gradient refers to the concentration difference of sodium (Na+) and potassium (K+)…

Q: You apply a drug to a batch of neurons and record membrane potential changes in the presynaptic and…

A: Ans: Chloride (Cl- )

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A: When membrane is in resting condition, it is only permeable to potassium ions and nearly impermeable…

Q: The Structure of the acetylcholine receptor is shown below:   D. Briefly indicate what the role of…

A: Acetylcholine is a neurotransmitter at various synapses, nerves, and at the motor endplate of…

Q: of the stages of an action potential, including a description of and explanation for the refractory…

A: The normal resting membrane potential is about -70 mv. The electric signals produced by the neuronal…

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

Q: The figure below may help in answering some of the questions. 1. What ions are flowing (and in which…

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

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