The ratio of purines and pyrimidines in mRNA is not 1:1 because the nitrogenous bases are
A. Unpaired
B. Paired
C. Paired only in loops
D. Paired in stems
Answer:A
The ratio of purines and pyrimidines in mRNA is not 1:1 because the nitrogenous bases are
A. Unpaired B. Paired C. Paired only in loops D. Paired in stems