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Questions and Answers
What is the primary characteristic that distinguishes RNA viruses from DNA viruses?
What is the primary characteristic that distinguishes RNA viruses from DNA viruses?
- The use of DNA-dependent DNA polymerase
- The presence of single-stranded DNA
- The presence of RNA as their genetic material (correct)
- The ability to infect only animal cells
Which of the following forms of RNA viruses is capable of directly acting as mRNA?
Which of the following forms of RNA viruses is capable of directly acting as mRNA?
- Single-stranded DNA
- Positive-sense single-stranded RNA (correct)
- Double-stranded RNA
- Negative-sense single-stranded RNA
What is the mechanism by which RNA viruses enter the host cell?
What is the mechanism by which RNA viruses enter the host cell?
- Exocytosis and diffusion
- Lysosome-mediated engulfment
- Phagocytosis and pinocytosis
- Fusion and endocytosis (correct)
What is the primary purpose of interrupting the viral replication cycle in developing therapeutic strategies?
What is the primary purpose of interrupting the viral replication cycle in developing therapeutic strategies?
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What is the term for the process by which the virus releases its RNA into the cytoplasm of the host cell?
What is the term for the process by which the virus releases its RNA into the cytoplasm of the host cell?
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What is the role of the host cell's machinery in the replication of RNA viruses?
What is the role of the host cell's machinery in the replication of RNA viruses?
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