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Viral World

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Questions and Answers

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?

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?

Lipid bilayer envelope

Peplomers (correct)

Enzymes for replication

Protein-containing capsid

Where are peplomers, the glycoprotein spikes, found in viruses?

On the protein-containing capsid Signup and view all the answers

What is a characteristic of certain viruses regarding viral replication?

They carry enzymes for replication Signup and view all the answers

What is the defining characteristic of single-stranded RNA with positive polarity?

It can be directly used as a template for protein synthesis Signup and view all the answers

What is the defining characteristic of single-stranded RNA with negative polarity?

It requires conversion to positive polarity for protein synthesis Signup and view all the answers

What is a consequence of the error-prone conversion process of single-stranded RNA with negative polarity?

It may lead to potential mistakes in the genetic code Signup and view all the answers