a. Explain how a graded membrane potential is created when a neurotransmitter is bound by a postsynaptic cell. b. Describe the major events of an action potential using the graph of membrane potential.

Q: Explain the Structure and Maintenance of Neurons?

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Q: Explain what is meant by summation of graded potentials, and explain how summation may lead to an…

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Q: Explain in a presynaptic neuron triggers the membrane depolarization in a postsynaptic neuron and…

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Q: Categorize the major neurotransmitters by chemical type and effect

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Q: Describe depolarizing of graded potential? Explain with an example?

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Q: Explain how the resting membrane potential is established and maintained in neurons.

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Q: Explain how the resting membrane potential is established and maintained.

A: The separation of the relative positive and negative charges across the membrane of a cell at rest…

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Q: define conduction disorder?

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Q: Compare graded potentials and action potentials.

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Q: Describe the changes in membrane permeability that underlie the membrane potential changes

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Q: Explain the relationship of the resting membrane potential to the two equilibrium potentials.

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Q: Explain the steps of an action potential

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Q: Explain the steps that lead to the formation of an action potential.

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Q: Describe how the resting membrane potential is established and maintained in a neuron.

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Q: Describe the neurotransmitters. Give examples of how they might occur in the body.

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Q: State the all-or-none law of the action potential.

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Q: Describe the ion concentration gradients across the plasmamembrane of a neuron at resting potential.

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Osmosis

In simple words, osmosis is the slow, gradual movement of a liquid through a membrane. But there are nuances to this process. For instance, there has to be an imbalance in the distribution of solute in the liquid on either side of the membrane, which has to be semipermeable. The liquid in the region with a lower solute concentration moves to the region with a higher concentration, thereby displacing the solution in the process. The objective is to equalize the concentration of molecules on both sides of the membrane; the displacement of liquid can be viewed as a byproduct of this equalization. Since there is no energy required to carry osmosis, it is considered a passive process.