Viruses in Eukaryotes – Section 1

11. Which of the following virus is always detectable after infections?

A. hepatitis B virus
B. herpes simplex virus
C. varicella-zoster virus
D. cytomegalovirus

Correct Answer: A. hepatitis B virus

12. Viroids are composed of

A. single-stranded DNA
B. double-stranded DNA
C. single-stranded RNA
D. ouble-stranded RNA

Correct Answer: C. single-stranded RNA

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