Is the myelin sheath of optic nerve axons provided by Schwann cells or oligodendroglia? Why?

Are the dorsal root ganglia in the central or peripheral nervous system?

Ca2+ are considered to be second messengers. Why?

Do convergence and divergence of neurotransmitter effects occur in single neurons?

Glutamate activates a number of different metabotropic receptors. The consequence of activating one subtype is the inhibition of cAMP formation. A consequence of activating a second subtype is activation of PKC. Propose mechanisms for these different effects.

Synaptic inhibition is an important feature of the circuitry in the cerebral cortex. How would you determine whether GABA or Gly, or both, or neither, is the inhibitory neurotransmitter of the cortex?

Compare and contrast the properties of (a) AMPA and NMDA receptors and (b) GABAA and GABAB receptors.

What are three methods that could be used to show that a neurotransmitter receptor is synthe- sized or localized in a particular neuron?