Retroviruses - Molecular Virology | Biology+

Course

Microbiology

Study Pack

Set 1: Introduction to Virology

Set 2: Virus Structure and Assembly

Set 3: Virus Classification: The World of Viruses

Set 4: Virus Entry

Set 5: Single-Stranded RNA Bacteriophages

Set 6: Microviruses

Set 7: Bacteriophage

Set 8: Bacteriophage Lambda

Set 9: Viruses of Archaea

Set 10: Cucumber Mosaic Virus

Set 11: Picornaviruses

Set 12: Flaviviruses

Set 13: Togaviruses

Set 14: Coronaviruses

Set 15: Paramyxo-Viruses and Rhabdoviruses

Set 16: Filovirouses

Set 17: Bunyaviruses

Set 18: Influenza Viruses

Set 19: Reoviruses

Set 20: Parvoviruses

Set 21: Polyomaviruses

Set 22: Papillomaviruses

Set 23: Adenoviruses

Set 24: Herpesviruses

Set 25: Baculoviruses

Set 26: Poxviruses

Set 27: Viruses of Algae and Mimivirus

Set 28: Retroviruses

Set 29: Human Immunodeficiency

Set 30: Hepadnaviruses

Set 31: Viroids and Hepatitis Delta Virus

Set 33: Intrinsic Cellular Defenses Against Virus Infection

Set 34: Innate and Adaptive Immune Responses to Virus Infection

Set 35: Antiviral Vaccines

Set 36: Antiviral Chemotherapy

Set 37: Eukaryotic Virus Vectors

Set 28 Retroviruses

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Set 28 Retroviruses

(Multiple Choice)

Free

Retroviruses use which of the following cellular molecules as the primer for genome replication?

A) The TATA-box binding protein.
B) The 5S ribosomal RNA.
C) A specific transfer RNA.
D) A spliceosome snRNA.
E) A specific spliceosome protein.

Answer

(Multiple Choice)

Free

Which of the following determines the level of viral mRNAs produced from the integrated provirus in retrovirus infected cells?

A) The level of mRNA splicing and polyadenylation that occurs.
B) The amount of reverse transcriptase packaged into the virion.
C) The site in the host cell genome where the provirus integrates.
D) Binding of specific transcription factors to the U5 region.
E) Binding of specific transcription factors to the U3 region.

Answer

(Multiple Choice)

Free

All of the following features are associated with the incoming RNA genomes of retroviruses EXCEPT:

A) 5' cap structures
B) 3' poly(A) tails
C) Repeated (R) sequence at each end of the genome.
D) A single open reading frame.
E) Unique sequences at each end of the genome.

Answer