Action potentials normally travel along an axon a

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13) Action potentials normally travel along an axon  A) toward the cell body.  3
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B) away from the cell body.  C) in either direction, depending on the needs of the animal.  D) away from the synapse.  E) into dendrites.  Answer:  B  Topic:  28.5  Skill:  Conceptual Understanding 14) Action potentials relay different intensities of information due to the  Topic:  28.5  Skill:  Conceptual Understanding 15) Which of the following is most like a shiver that raises goose bumps as it spreads all over your body?  Topic:  28.5  Skill:  Conceptual Understanding  16) The gap between the transmitting and receiving neurons in a chemical synapse is known as the  Topic:  28.6  Skill:  Factual Recall 17) During transmission across a typical chemical synapse,  A) neurotransmitter molecules are stored in the synaptic knob.  B) action potentials trigger chemical changes that make the synaptic vesicles fuse with each other.  C) vesicles containing neurotransmitter diffuse to the receiving cell's plasma membrane.  D) neurotransmitter molecules bind to receptors in the receiving cell's plasma membrane.  E) the binding of neurotransmitters to receptors initiates exocytosis.  4
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Answer:  D  Topic:  28.6  Skill:  Conceptual Understanding 18) The signal that crosses a synapse is stopped when  Topic:  28.6  Skill:  Factual Recall
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  • Spring '08
  • FRANCE
  • Biology, Factual Recall

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