Viruses with _____ sense RNA contain the correct message for translation, while viruses with _____ sense RNA must first be converted into a correct message.
A. Positive, negative
B. Negative, positive
C. Primary, secondary
D. Secondary, primary
E. None of the choices are correct
Answer: A
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.