Neurobiology and Cell Signaling Quiz
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Questions and Answers

Which component is essential for neurotransmitter release at axon terminals?

  • Potassium ions
  • Sodium ions
  • Calcium ions (correct)
  • Chloride ions
  • What process describes the return of neurotransmitters to the presynaptic neuron?

  • Segregation
  • Reuptake (correct)
  • Degradation
  • Release
  • Which pathway is involved in the conversion of glucose to glucose 6 phosphate?

  • Fermentation
  • Glycolysis (correct)
  • Gluconeogenesis
  • Glycogenolysis
  • What effect do ligands have on cells?

    <p>They can stimulate various proteins.</p> Signup and view all the answers

    Which neurophysiological state occurs during an action potential?

    <p>Depolarization</p> Signup and view all the answers

    Which chemical is involved in the breakdown of amino acids?

    <p>Thyroid hormones</p> Signup and view all the answers

    What role do G proteins play in cellular signaling?

    <p>They amplify signals inside the cell.</p> Signup and view all the answers

    What physiological response is associated with the crisis of 'fight or flight'?

    <p>Stimulated adrenaline release</p> Signup and view all the answers

    What type of junctions facilitates communication between adjacent cells?

    <p>Intercellular junctions</p> Signup and view all the answers

    What process involves the depolarization of a neuron?

    <p>Action potential</p> Signup and view all the answers

    Which molecule is primarily reabsorbed into the presynaptic neuron?

    <p>Neurotransmitter</p> Signup and view all the answers

    Which enzyme is involved in the conversion of glucose 6 phosphate?

    <p>Phosphatase</p> Signup and view all the answers

    What is a characteristic of motor neurons?

    <p>They are responsible for muscle contractions.</p> Signup and view all the answers

    What role does exocytosis play in neuronal function?

    <p>Releasing hormones</p> Signup and view all the answers

    What happens to the cell during the fight or flight response?

    <p>There is an increase in energy production.</p> Signup and view all the answers

    Which of the following describes the function of ligands in cell signaling?

    <p>They bind to proteins and trigger a response.</p> Signup and view all the answers

    What is the significance of G proteins in cellular processes?

    <p>They link receptor activation to cellular responses.</p> Signup and view all the answers

    What is a function of glucose 6 phosphate in metabolic processes?

    <p>It serves as a substrate for energy production.</p> Signup and view all the answers

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