Biology Exploring Study Set 1

Biology

Quiz 45 :

Control of Animal Processes: Neural Control

Quiz 45 :

Control of Animal Processes: Neural Control

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What organic macromolecules allow myelinated sheaths to act as electrical insulators?
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B

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What happens to a neuron's membrane when its membrane potential becomes less negative?
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A

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Which of the following can be found in higher concentrations on the outside of a neuron's plasma membrane relative to the inside?
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B

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Figure 45-1 img -In the chemical synapse in Figure 45-1which structure represents the axon of the presynaptic neuron?
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Which of the following assist and nourish cells that transmit electrical signals?
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Which structures are used by electrical synapses during signal transmission?
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Figure 45-1 img -In the chemical synapse in Figure 45-1, which structure represents the synaptic cleft?
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Which cells are located in the brain and spinal cord of vertebrates?
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Which of the following refers to an abrupt and transient change in membrane potential?
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Which neurons are typically located in the peripheral nervous system?
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Which of the following conduct(s) electrical signals away from the cell body of a neuron?
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Which part of the firefly's body flashes?
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When does a female firefly stop flashing?
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Which of the following is a component of neural signalling mechanisms?
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Figure 45-1 img -Refer Figure 45-1. When comparing electrical synapses and chemical synapses, what structures are found only in electrical synapses?
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Which of these terms refers to the component of a neural signalling pathway in which messages are sorted and interpreted?
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What is the typical resting potential of an isolated neuron?
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In humans, which neurons are composed of the greatest number of cells?
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Which term refers to the spaces between adjacent Schwann cells?
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Which sequence places the components of a neural signalling pathway in the correct order, from beginning to end?
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