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Questions and Answers
What is a key characteristic of viruses?
What is a key characteristic of viruses?
- They are visible under light microscopy
- They do not have their own metabolism (correct)
- They contain both DNA and RNA
- They are classified within Archaea, Bacteria, Eukaryota
How are virions composed?
How are virions composed?
- Nucleic acid surrounded by a lipid membrane
- Both DNA and RNA together
- Only protein without any nucleic acid
- Nucleic acid surrounded by a protein coat (correct)
What is a key component of the viral structure for binding to host cells?
What is a key component of the viral structure for binding to host cells?
- Lipid bilayer envelope
- Peplomers (correct)
- Enzymes for replication
- Protein-containing capsid
Where are peplomers, the glycoprotein spikes, found in viruses?
Where are peplomers, the glycoprotein spikes, found in viruses?
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What is a characteristic of certain viruses regarding viral replication?
What is a characteristic of certain viruses regarding viral replication?
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What is the defining characteristic of single-stranded RNA with positive polarity?
What is the defining characteristic of single-stranded RNA with positive polarity?
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What is the defining characteristic of single-stranded RNA with negative polarity?
What is the defining characteristic of single-stranded RNA with negative polarity?
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What is a consequence of the error-prone conversion process of single-stranded RNA with negative polarity?
What is a consequence of the error-prone conversion process of single-stranded RNA with negative polarity?
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