May contain the four bases adenine, cytosine, thymine, and guanine
A. DNA molecules only
B. RNA molecules
C. Both DNA and RNA molecules
D. Neither DNA nor RNA molecules
E. Transfer RNA only
Answer: A
May contain the four bases adenine, cytosine, thymine, and guanine
A. DNA molecules only
B. RNA molecules
C. Both DNA and RNA molecules
D. Neither DNA nor RNA molecules
E. Transfer RNA only
Answer: A