Envelope Viruses and Ribosome Functions Quiz

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What is the point of viruses going to the ribosomes?

To replicate their genetic material

To trigger host immune responses

To repair damaged viral envelopes

To produce functional subunits for combining into new viruses (correct)

Which type of viruses are always enveloped?

Picorna RNA SS+ Naked

Hepadna Partial DNA DS (correct)

Retro RNA SS+ enveloped

Pox DNA DS

What is special about pox virus?

It uses reverse transcriptase for replication

It replicates in the cytosol like an RNA virus (correct)

It carries its own ribosomes for protein synthesis

It replicates in the nucleus like a DNA virus

What is the abbreviation for Parvo virus?

PHHP Signup and view all the answers

What is special about hepadna virus?

It needs reverse transcriptase for DNA strand repair Signup and view all the answers

Which type of viruses carry their polymerase and transcriptase with them?

DNA DS viruses Signup and view all the answers

What do spike glycoproteins do in a virus?

Aid in binding the virus envelope to host cells Signup and view all the answers

Which type of RNA viruses is always enveloped?

Toga RNA SS+ Signup and view all the answers

What is special about 'Pox' viruses?

They are naked viruses that replicate in the cytoplasm like an RNA virus Signup and view all the answers

What is the significance of Retroviruses?

They integrate their DNA into the host cell's chromosome Signup and view all the answers

Which process is responsible for Retroviruses becoming a pro virus?

Using reverse transcriptase and integrase Signup and view all the answers

How do naked viruses like Herpes and Hep A exit the host cell?

Through exocytosis Signup and view all the answers

What does immune privilege refer to?

The ability of a certain tissue to tolerate the introduction of antigens without eliciting an inflammatory immune response Signup and view all the answers

How does Palivizumab offer RSV protection?

By preventing the entry of RSV using antibodies Signup and view all the answers

What is the primary function of Guanosine analogs such as acyclovir and Gangcyclovir?

To prevent viral DNA replication Signup and view all the answers

Which virus does Gancyclovir target for prophylaxis?

Cytomegalovirus Signup and view all the answers

What is the primary use of Interferon alpha?

To stop viral replication Signup and view all the answers

What is the function of Osseltamivir?

To block uncoating of viruses Signup and view all the answers

What is the primary function of the spike glycoproteins in a virus?

To aid in binding the virus envelope to host cells Signup and view all the answers

What is special about Hepadna viruses?

They need reverse transcriptase to fix the DNA strand Signup and view all the answers

What is the abbreviation for Parvo virus?

PHHP Signup and view all the answers

Why is Pox considered special?

It replicates in the cytosol like an RNA virus Signup and view all the answers

What is the primary function of viruses going to the ribosomes?

To translate viral mRNA into functional subunits Signup and view all the answers

Which type of viruses are always enveloped?

RNA SS+ Signup and view all the answers

What is significant about naked viruses like Herpes and Hep A?

They replicate using DNA dependent DNA polymerase from host Signup and view all the answers

What is special about RNA viruses like Toga?

They are enveloped and have negative-sense single-stranded RNA Signup and view all the answers

What is the role of reverse transcriptase in Retroviruses?

Catalyzing the formation of viral DNA from viral RNA Signup and view all the answers

Which enzyme is responsible for integrating viral DNA into a host cell's chromosome in Retroviruses?

Integrase Signup and view all the answers

How do naked viruses like Herpes and Hepatitis A leave the host cell?

Via exocytosis Signup and view all the answers

What is the significance of immune privilege in tissues like the CNS and eyes?

They are less susceptible to antigen introduction Signup and view all the answers

What is the primary mechanism of RSV protection by Palivizumab?

Blocking viral entry into host cells Signup and view all the answers

Which enzyme must phosphorylate Guanosine analogs like acyclovir and Gangcyclovir?

Thymidine kinase Signup and view all the answers

What is the primary target virus for Gancyclovir when used for prophylaxis?

Cytomegalovirus Signup and view all the answers

Which type of viruses are always enveloped?

RNA SS+ Signup and view all the answers

What is the primary function of spike glycoproteins in a virus?

Facilitate viral entry to host cells Signup and view all the answers

What is special about Hepadna viruses?

They need reverse transcriptase to fix DNA strand Signup and view all the answers

What is the abbreviation for Parvo virus?

PHHP Signup and view all the answers

What is the primary mechanism of RSV protection by Palivizumab?

Preventing viral entry to host cells Signup and view all the answers

What is the significance of immune privilege in tissues like the CNS and eyes?

It reduces the risk of immune-mediated damage to these tissues Signup and view all the answers

Which enzyme must phosphorylate Guanosine analogs like acyclovir and Gangcyclovir?

Thymidine kinase Signup and view all the answers

What is significant about naked viruses like Herpes and Hepatitis A?

They carry their polymerase and transcriptase with them Signup and view all the answers

What is the primary role of viruses going to the ribosomes?

To produce new viral subunits for assembly Signup and view all the answers

What is the primary function of reverse transcriptase in Retroviruses?

To convert viral RNA into dsDNA Signup and view all the answers

What is the significance of immune privilege?

The ability to tolerate the introduction of antigens without eliciting an inflammatory immune response Signup and view all the answers

Which enzyme is responsible for integrating viral DNA into a host cell's chromosome in Retroviruses?

Integrase Signup and view all the answers

What is the primary function of Palivizumab in RSV protection?

Injecting antibodies to prevent entry of RSV Signup and view all the answers

How do naked viruses like Herpes and Hep A leave the host cell?

Via exocytosis Signup and view all the answers

What is the primary role of Guanosine analogs like Acyclovir and Gancyclovir?

Must be phosphorylated by thymidine kinase Signup and view all the answers

What is the function of Amantadine in relation to Flu A?

Blocks uncoating, must be within a specific time window before uncoating of Flu A Signup and view all the answers

What is the primary function of Interferon alpha?

Used to stop translation to proteins Signup and view all the answers

What is the primary function of Guanosine analogs such as Acyclovir and Gangcyclovir?

Must be phosphorylated by thymidine kinase Signup and view all the answers

Envelope Viruses and Ribosome Functions Quiz

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Questions and Answers

What is the point of viruses going to the ribosomes?

Which type of viruses are always enveloped?

What is special about pox virus?

What is the abbreviation for Parvo virus?

What is special about hepadna virus?

Which type of viruses carry their polymerase and transcriptase with them?

What do spike glycoproteins do in a virus?

Which type of RNA viruses is always enveloped?

What is special about 'Pox' viruses?

What is the significance of Retroviruses?

Which process is responsible for Retroviruses becoming a pro virus?

How do naked viruses like Herpes and Hep A exit the host cell?

What does immune privilege refer to?

How does Palivizumab offer RSV protection?

What is the primary function of Guanosine analogs such as acyclovir and Gangcyclovir?

Which virus does Gancyclovir target for prophylaxis?

What is the primary use of Interferon alpha?

What is the function of Osseltamivir?

What is the primary function of the spike glycoproteins in a virus?

What is special about Hepadna viruses?

What is the abbreviation for Parvo virus?

Why is Pox considered special?

What is the primary function of viruses going to the ribosomes?

Which type of viruses are always enveloped?

What is significant about naked viruses like Herpes and Hep A?

What is special about RNA viruses like Toga?

What is the role of reverse transcriptase in Retroviruses?

Which enzyme is responsible for integrating viral DNA into a host cell's chromosome in Retroviruses?

How do naked viruses like Herpes and Hepatitis A leave the host cell?

What is the significance of immune privilege in tissues like the CNS and eyes?

What is the primary mechanism of RSV protection by Palivizumab?

Which enzyme must phosphorylate Guanosine analogs like acyclovir and Gangcyclovir?

What is the primary target virus for Gancyclovir when used for prophylaxis?

Which type of viruses are always enveloped?

What is the primary function of spike glycoproteins in a virus?

What is special about Hepadna viruses?

What is the abbreviation for Parvo virus?

What is the primary mechanism of RSV protection by Palivizumab?

What is the significance of immune privilege in tissues like the CNS and eyes?

Which enzyme must phosphorylate Guanosine analogs like acyclovir and Gangcyclovir?

What is significant about naked viruses like Herpes and Hepatitis A?

What is the primary role of viruses going to the ribosomes?

What is the primary function of reverse transcriptase in Retroviruses?

What is the significance of immune privilege?

Which enzyme is responsible for integrating viral DNA into a host cell's chromosome in Retroviruses?

What is the primary function of Palivizumab in RSV protection?

How do naked viruses like Herpes and Hep A leave the host cell?

What is the primary role of Guanosine analogs like Acyclovir and Gancyclovir?

What is the function of Amantadine in relation to Flu A?

What is the primary function of Interferon alpha?

What is the primary function of Guanosine analogs such as Acyclovir and Gangcyclovir?

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