Serine racemase (SRR) is the enzyme that makes D-serine. The gene for SRR was shown to be reduced in people with schizophrenia. What hypothesis(es) might be supported by this finding?
A) Schizophrenia may be caused by the presence of excess serine in the synapse
B) Schizophrenia could be treated by removing Mg+2 from the body
C) Schizophrenia may be caused by reduce NMDA receptor activity.
D) Schizophrenia is caused by glutamate excitotocicity.
