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That is a very good question. Gray matter is composed of cell bodies of neurons. Such cell bodies are also covered by myalin sheath. But the colour of myalin sheath is dominated by the color of nerve cell bodies. ( Without the myelin sheath, there will be short circuit.)
Silver is the best electrical conductor. Copper is second. Gold is third. Aluminum is a good conductor but not for house wiring. It is used for high tension wires.
babies, rocks, cabbage, and habberdasheries are neither good electrical conductors, nor insulators.
Magnesium oxide is an electrical insulator.
Cobalt is not a very good conductor as copper or silver; the electrical resistivity is 62,4 nohm.m
Channel and carrier proteins
Myelin is composed of about 80% lipid and about 20% protein. Some of the proteins that make up myelin are myelin basic protein (MBP),myelin oligodendrocyte glycoprotein (MOG), and proteolipid protein (PLP). Myelin is made up primarily of a glycolipid calledgalactocerebroside. The intertwining of the hydrocarbon chains of sphingomyelin serve to strengthen the myelin sheath.There are quite a few disease (multiple sclerosis, optic neuritis, transverse myelitis..) involved in the destruction of the axon myelin sheath also known as myelin sheath.http://en.wikipedia.org/wiki/Myelin
That is a very good question. Gray matter is composed of cell bodies of neurons. Such cell bodies are also covered by myalin sheath. But the colour of myalin sheath is dominated by the color of nerve cell bodies. ( Without the myelin sheath, there will be short circuit.)
The spinal cord needs omega 3 fatty acids for its myelin sheath; fish is a good source.
Nitrogen is not a good electrical conductor.
Conductor
NO.
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No
No
Yes, gold is a very good conductor
Yes.