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Home Q & A Board Biology-Related Homework Help General Biology
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skyleton skyleton
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6 years ago
Arrange the events of a second messenger system in the correct order.
  1) Protein kinase is activated.
  2) G protein is activated.
  3) The neurotransmitter binds to its receptor.
  4) The protein closes the potassium channel.
  5) Cyclic AMP is produced.
  6) Phosphorylation takes place.
  a. 1  2  5  6  4  3
  b. 3  5  6  1  2  4
  c. 5  2  6  1  3  4
  d. 3  2  5  1  6  4
  e. 5  2  6  1  4  3

Question 2

What event triggers the release of neurotransmitters?
  a. Calcium induces the fusion of synaptic vesicles with the presynaptic membrane.
  b. Sodium induces the fusion of synaptic vesicles with the presynaptic membrane.
  c. Potassium induces the fusion of synaptic vesicles with the presynaptic membrane.
  d. Calcium activates enzymes that degrade synaptic vesicles.
  e. Sodium activates enzymes that degrade synaptic vesicles.
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dindsidindsi
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skyleton Author
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6 years ago
Thanks for your help <3
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