If you had three tubes of flu viruses and you exposed tube 1 to protease, tube 2 to protease and RNase, and tube 3 to protease and DNase, and the contents of tube 2 were be degraded, you would be able to conclude that
A) an RNA virus.
B) a DNA virus.
C) a protein virus.
D) resistant to proteases.
E) an opportunist.

Question

If you had three tubes of flu viruses and you exposed tube 1 to protease, tube 2 to protease and RNase, and tube 3 to protease and DNase, and the contents of tube 2 were be degraded, you would be able to conclude that
A) an RNA virus.
B) a DNA virus.
C) a protein virus.
D) resistant to proteases.
E) an opportunist.

Quizplus · Accepted Answer

Since the contents of tube 2, which were exposed to RNase and protease, were degraded, it indicates that the virus in that tube was RNA-based. The lack of degradation in tube 1 (protease only) suggests that the virus in that tube may have had a protein coat protecting it. The lack of degradation in tube 3 (protease and DNase) suggests that the virus in that tube may have had a DNA genome. Therefore, the best choice is A, an RNA virus.

If You Had Three Tubes of Flu Viruses and You