Nitrogen compounds of the body include all of the following, except
a. amino acids.
b. oxaloacetic acid.
c. creatine.
d. porphyrin.
e. purines.
Answer: B
Nitrogen compounds of the body include all of the following, except
a. amino acids.
b. oxaloacetic acid.
c. creatine.
d. porphyrin.
e. purines.