What is the main function of myelin?
a) To connect the end of an axon to the terminal buttons.
b) Myelin consists of a bilayer of continuous sheets of phospholipids that separate two fluid environments.
c) To pass information from the axon across the synapse in the form of a neurochemical message.
d) Myelin speeds the rate of information transfer in neurons and ensures that the message gets to the end of the axon.
e) None of the above is a function of myelin.
Answer: D
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