Multiple Choice
The molecular explanation for narcolepsy is that
A) certain brain cells have many extra orexin/hypocretin receptors,so these cells receive too many messages to sleep.
B) the orexin/hypocretin receptor is missing,abnormal in structure,or unable to move to the surface of certain brain cells,blocking signals to stay awake.
C) a gene is missing in chromosome 6 that encodes the protein narcoleptin.
D) a viral infection activates genes that promote sleep.
Correct Answer:
Verified
Correct Answer:
Verified
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