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- Question
Viroids are composed of
Options- A. single-stranded DNA
- B. double-stranded DNA
- C. single-stranded RNA
- D. double-stranded RNA
- Correct Answer
- single-stranded RNA
- 1. Which of the following is the agent associated with the development of neurodegenerative disease in livestock and humans?
Options- A. Prions
- B. Viroids
- C. virions
- D. Virinos Discuss
- 2. Intracellular structures formed during many viral infections, called __________ , which can directly disrupt cell structure.
Options- A. prokaryotes
- B. chromosomal disruptions
- C. inclusion bodies
- D. cytocidal bodies Discuss
- 3. Viral RNA is replicated in the host cell
Options- A. cytoplasmic matrix
- B. nucleus
- C. mitochondria
- D. lysozomes Discuss
- 4. Which family has received most interest in their development as a biological control agent against insects?
Options- A. Reoviridae
- B. Baculoviridae
- C. Iridoviridae
- D. Poxviridae Discuss
- 5. The __________ of the influenza-enveloped virus appear to be involved in attachment to the host cell receptor site.
Options- A. fimbriae
- B. flagellae
- C. hemagluttinin
- D. neuraminidase Discuss
- 6. The hepadnaviruses such as hepatitis B virus are quite different from other DNA viruses with respect to genome replication. These replicate their DNA using
Options- A. DNA-dependent DNA polymerase
- B. reverse transcriptase
- C. Rnase H
- D. DNA ligase Discuss
- 7. Virulent and nonvirulent viruses may not
Options- A. inhibit host cell DNA synthesis
- B. inhibit host cell RNA synthesis
- C. stimulate host cell macromolecule synthesis
- D. degrade host cell DNA Discuss
- 8. __________is probably the most important characteristic for classification of viruses in eukaryotes.
Options- A. Host preference
- B. Morphology
- C. Physical nature of virion constituents
- D. Chemical nature of virion constituents Discuss
- 9. In cancer, the reversion of cells to a more primitive or less differentiated state is called
Options- A. neoplasia
- B. anaplasia
- C. metastasis
- D. oncogenic Discuss
- 10. Which of the following virus is always detectable after infections?
Options- A. Hepatitis B virus
- B. Herpes simplex virus
- C. Varicella-zoster virus
- D. Cytomegalovirus Discuss
Viruses in Eukaryotes problems
Search Results
Correct Answer: Prions
Correct Answer: inclusion bodies
Correct Answer: cytoplasmic matrix
Correct Answer: Baculoviridae
Correct Answer: hemagluttinin
Correct Answer: reverse transcriptase
Correct Answer: degrade host cell DNA
Correct Answer: Host preference
Correct Answer: anaplasia
Correct Answer: Hepatitis B virus
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