What role do neurotransmitters play in synaptic transmission?

Practice Questions

Q1
What role do neurotransmitters play in synaptic transmission?
  1. They generate action potentials
  2. They transmit signals across the synaptic cleft
  3. They maintain resting membrane potential
  4. They recycle ions

Questions & Step-by-Step Solutions

What role do neurotransmitters play in synaptic transmission?
  • Step 1: A signal travels down the presynaptic neuron (the sending neuron).
  • Step 2: When the signal reaches the end of the presynaptic neuron, it triggers the release of neurotransmitters.
  • Step 3: Neurotransmitters are chemicals that are released into the synapse (the gap between neurons).
  • Step 4: The neurotransmitters travel across the synapse.
  • Step 5: The neurotransmitters bind to specific receptors on the postsynaptic neuron (the receiving neuron).
  • Step 6: This binding causes a response in the postsynaptic neuron, which can lead to the continuation of the signal.
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