Question: is ampa ionotropic or metabotropic?
Answer: Glutamatergic receptors: AMPA, NMDA and mGluR the excitatory neurotransmitter glutamate acts on 3 receptor subtypes: AMPA - excitatory iontotropic. NMDA - excitatory ionotropic, with recruitment of 2nd messenger. mGluR - metabotropic.