Ion Pumping Mechanisms in Cells
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Questions and Answers

What is responsible for converting electrical information into chemical information at the pre-synaptic neuronal terminal?

  • Effector binding
  • Ionic flux
  • Neurotransmitter release
  • Calcium influx (correct)
  • Which component binds to the released neurotransmitter on the pre-synaptic membrane?

  • Second messenger pathway
  • Autoreceptor
  • Receptor protein (correct)
  • Enzyme
  • What does the activation of the receptor on the pre-synaptic membrane lead to?

  • Inhibition of neurotransmitter release
  • Decreased ionic flux
  • Activation of second messenger pathways (correct)
  • Depolarisation of the pre-synaptic membrane
  • How is chemical information encoded by neurotransmitters converted back into electrical information?

    <p>Action potentials in the post-synaptic membrane</p> Signup and view all the answers

    What role do neurotransmitters play in a functional brain network?

    <p>Gating synaptic plasticity</p> Signup and view all the answers

    How is neurotransmission controlled at the presynaptic terminal?

    <p>By autoreceptors</p> Signup and view all the answers

    What happens when neurotransmission goes wrong?

    <p>Impaired information transfer between neurons</p> Signup and view all the answers

    What initiates the process of neurotransmitter release at the pre-synaptic neuronal terminal?

    <p>Electrical stimulation</p> Signup and view all the answers

    What is a consequence of neurotransmitters modulating the flow and rate of information transfer within a network?

    <p>Enhancing synaptic plasticity</p> Signup and view all the answers

    In what form is information propagated from one nerve cell to another?

    <p>Electrical signals through ion channels</p> Signup and view all the answers

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