Glycine, which can exert effects at the NMDA receptor, is ...

[bobbysung]

Glycine, which can exert effects at the NMDA receptor, is important because it:
 
  a. Produces symptoms of schizophrenia
  b. Temporarily controls the positive but not the negative symptoms of schizophrenia
  c. Temporarily controls the positive and negative symptoms of schizophrenia
  d. Can block aversive learning at its source

Question 2

Humans are most sensitive to frequencies in the range of 2,000 to 4,000 Hz, which corresponds to frequencies of _____.
 
  a. predators in the environment
  b. most human conversation
  c. environmental sounds such as rain and thunder
  d. sounds that are unlike those of other animals in the environment

[meryzewe]

Answer to Question 1

C

Answer to Question 2

B

[bobbysung]

Excellent

[Bigfoot1984]

TYSM