5. Define the terms equilibrium potential and resting potential? What cellular components are responsible for establishing the resting potential?

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Q: 1. Graded potentials are short lived and travel only short distances. Action potentials are long…

A: Graded potential: its the change in electric potential across the membrane of an excitable cell like…

Q: Which of the following statements best explains why a neuron's membrane potential rapidly drops…

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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: 6. You are interested in how the density of NMDA receptors in the postsynaptic membrane prior to…

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Q: What is resting membrane potential close to and why?

A: A resting neuron contains a difference in ion concentration where the inside is more negative than…

Q: An action potential is shown below. Number 4 on the graph is showing which phase? 3 Membrane…

A: Action potential is a brief reversal of membrane potential where the membrane potential changes from…

Q: People who inherit familial periodic paralysis often develop very low blood potassium…

A: A cell membrane is frequently polarised or electrically charged. In comparison to the outside, the…

Q: When an action potential reaches the end of a cell, the passage of the action potential onto the…

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Q: 7. Assuming equivalent stimulation of the two pre-synaptic axons in the diagram below, in which of…

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Q: Define an excitatory and inhibitory postsynaptic potential. Describe their significance and what…

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Q: 4 When a neurotransmitter binds to its receptor and increases the permeability of the postsynaptic…

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Q: 4. Illustrate (draw) what an action potential might look like with the following voltage-gated…

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Q: 3. Explain the structure and functioning of synapses and mechanisms involved in the transmission at…

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Q: Define temporal and spatial summation and how they influence an action potential.

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Q: After repolarization, the sodium ions are found neuron. This reversal of ions can be fixed by the…

A: Following an action potential and the subsequent repolarization phase, there is a temporary reversal…

Q: t is an EPSP? An IPSP? Define Summation. Distinguish between spatial & temporal summation or explain…

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Q: Compare graded and action potentials are similar and different.

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Q: 25. The influx of calcium into the axon terminal of a chemical synapse is responsible for A.…

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Q: 3) You are investigating the ionic selectivity of an ion channel opened by activation of a specific…

A: A.                                   E(K+)= RTnFlnOUTIN=8.314×2981×96485ln5140=-0.089≈-89mV…

Q: 12) when K+ voltage-gated channels open, which of the following occurs? a) depolarization  b) both…

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Q: What happens to the inside membrane polarity after depolarization?  5. Why does the next Na+ gated…

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Q: 60. The action potential of a normal axon is shown on the graph. K* conductance is maximal at which…

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Q: Each of the following is a correct relationship between action potential phase and channel status…

A: BASIC INFORMATION NEURON   It is the longest cell inside the human body  It is found in the brain…

Q: 22. Write a short note on electrical synapses?

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Q: ACTION PÔTENTIAL Describe what happens in each phases of action potential and explain the following…

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Q: IT (4 5. Draw a graph of an action potential. Label the resting potential, threshold potential,…

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Q: .What are the 3 types of chemical channels and where on the neuron would they be found? b.What…

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Q: 1. Shown below are figures of the closed and open structures of the voltage gated potassium channel…

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Q: Draw a picture of the steps involved in the creation and propagation of an action potential. Make…

A: Action potential  Action potential or nerve impulse refers to the sequence of changes, in which…

Q: 4. The difference in charge between the outside and the inside of a neuron at rest is called: A.…

A: Introduction Membrane potential:- It is a potential gradient that forces ions to passively move in…