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tazzy08 tazzy08
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12 years ago
Activity 8,
      Question 1: When the stimulus intensity is increased, what changes: the number of synaptic vesicles released or the amount of neurotransmitter per vesicle?
      Question 2: What happened to the amount of neurotransmitter release when you switched from the control extracellular fluid to the extracellular fluid with no Ca2+?
      Question 3: What happened to the amount of neurotransmitter release when you switched from the extracellular fluid with no Ca2+ to the extracellular fluid with low Ca2+?
      Question 4: How did neurotransmitter release in the Mg2+ extracellular fluid compare to that in the control extracellular fluid?
      Question 5: How does Mg2+ block the effect of extracellular calcium on neurotransmitter release?
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Valued Member
12 years ago
Question 1: When the stimulus intensity is increased, what changes: the number of synaptic vesicles released or the amount of neurotransmitter per vesicle?

The number of synaptic vesicles released increases when the stimulus intensity increases.

Question 4: How did neurotransmitter release in the Mg2+ extracellular fluid compare to that in the control extracellular fluid?

The neurotransmitter release was less when magnesium was added.
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