Directly related questions
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19M.1A.SL.TZ2.28:
The diagram shows a motor neuron.
[Source: © International Baccalaureate Organization 2019]
What are the biochemical nature and function of the myelin sheath?
A. The myelin sheath is mainly protein which allows growth of the axon.
B. The myelin sheath is mainly protein which acts as membrane carriers.
C. The myelin sheath is mainly lipid which allows saltatory conduction.
D. The myelin sheath is mainly lipid which provides an energy source.
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19M.1A.SL.TZ2.28:
The diagram shows a motor neuron.
[Source: © International Baccalaureate Organization 2019]
What are the biochemical nature and function of the myelin sheath?
A. The myelin sheath is mainly protein which allows growth of the axon.
B. The myelin sheath is mainly protein which acts as membrane carriers.
C. The myelin sheath is mainly lipid which allows saltatory conduction.
D. The myelin sheath is mainly lipid which provides an energy source.
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21M.1A.SL.TZ2.24:
The electron micrograph shows a transverse section through a myelinated neuron.
[Source: Transmission electron micrograph of a myelinated axon. https://commons.wikimedia.org/wiki/File:Myelinated_neuron.jpg. This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license (https://creativecommons.org/licenses/by-sa/3.0/deed.en).]
What process is facilitated by the presence of the structure labelled X?
A. Repolarization of the nerve cell membrane
B. Generation of an action potential
C. Saltatory conduction
D. Synaptic transmission
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21M.1A.SL.TZ2.24:
The electron micrograph shows a transverse section through a myelinated neuron.
[Source: Transmission electron micrograph of a myelinated axon. https://commons.wikimedia.org/wiki/File:Myelinated_neuron.jpg. This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license (https://creativecommons.org/licenses/by-sa/3.0/deed.en).]
What process is facilitated by the presence of the structure labelled X?
A. Repolarization of the nerve cell membrane
B. Generation of an action potential
C. Saltatory conduction
D. Synaptic transmission
-
21M.1A.SL.TZ2.24:
The electron micrograph shows a transverse section through a myelinated neuron.
[Source: Transmission electron micrograph of a myelinated axon. https://commons.wikimedia.org/wiki/File:Myelinated_neuron.jpg. This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license (https://creativecommons.org/licenses/by-sa/3.0/deed.en).]
What process is facilitated by the presence of the structure labelled X?
A. Repolarization of the nerve cell membrane
B. Generation of an action potential
C. Saltatory conduction
D. Synaptic transmission
-
21M.1A.SL.TZ2.24:
The electron micrograph shows a transverse section through a myelinated neuron.
[Source: Transmission electron micrograph of a myelinated axon. https://commons.wikimedia.org/wiki/File:Myelinated_neuron.jpg. This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license (https://creativecommons.org/licenses/by-sa/3.0/deed.en).]
What process is facilitated by the presence of the structure labelled X?
A. Repolarization of the nerve cell membrane
B. Generation of an action potential
C. Saltatory conduction
D. Synaptic transmission
- 22M.1A.SL.TZ1.28: The image shows a neuron. What is the function of X? A. Increases the speed of...
- 22M.1A.SL.TZ1.28: The image shows a neuron. What is the function of X? A. Increases the speed of...
- 22M.1A.SL.TZ1.28: The image shows a neuron. What is the function of X? A. Increases the speed of...
- 22M.1A.SL.TZ1.28: The image shows a neuron. What is the function of X? A. Increases the speed of...
