81) The RNA polymerase (RDRP) enzyme a. Can act on the nucleus only b. Can only be a viral enzyme. c. Can act in cytoplasm only d. Can be a viral and cellular enzyme
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- Although some viruses are complete after the assembly stage, othersdo not complete replication until they acquire during therelease stage.a. DNA c. proteinsb. RNA d. the envelope8) Which of these describes the function of RNA polymerase? A. Amplifies the “message" by making multiple copies of an mRNA molecule after it has been transcribed from DNA B. Converts a protein sequence to mRNA95) The herpesviruses: a. Can have an abortive infection b. Have three round of protein translation in its replication cycles, one before genome replication and two after genome replication c. Can have a persistent infection d. the CD4 is the major receptor
- Synthesis of proteins occurs by the process of A. replication B. cytokinesis C. translation D. ossification E. transcription77) the DDRP : a. This enzyme is found in negative sense RNA virus b. This enzyme is found in positive sense RNA virus c. This enzyme is found in double stranded RNA virus d. This enzyme is circular genome RNA virusOTppI Ə g TIIM d. The viral DNA will be roadioactive e. The viral proteins will be radioactive. 48. Each amino acid attaches to its proper TRNA with the help of DNA b. an enzyme and ATP c. an enzyme d. ATP e. an enzyme and DNA
- Which statement is true? a. A virion contains DNA and RNA. b. Viruses are acellular. c. Viruses replicate outside of the cell. d. Most viruses are easily visualized with a light microscope.Viruses that persist in the cell and cause recurrent disease are considereda. oncogenic b. cytopathic c. latent d. resistant88) For The DNA polymerase enzyme: one option is incorrect a. Can work in the nucleus only b. Can act on ssDNA virus c. Can act on gapped circular ds DNA viruses d. Can work in the cytoplasm
- 5. Imagine you are designing an anti-viral drug. Chose an enzyme important in viral replication you want to target (examples: DNA polymerase, reverse transcriptase, integrase) and describe how stopping its function would prevent viral replication.Most viruses use their own virally encoded: a. DNA/RNA polymerase b. Endoplastmic reticulum c. Ribosomes d. MitochondriaThe HIV virus produces copies of its genome through: A. DNA replication B. Reverse transcription followed by integration then normal transcription C. RNA replication from an RNA template D. differential splicing