Podcast
Questions and Answers
What is the primary criterion used in the classical system to classify viruses?
What is the primary criterion used in the classical system to classify viruses?
- Nature of the cytoplasmic effects
- Size of the nucleic acid
- Symmetry of the protein shell (correct)
- Presence of a lipid membrane
Which type of virus is characterized by a capsomere structure and a length of 18 x 250 nm?
Which type of virus is characterized by a capsomere structure and a length of 18 x 250 nm?
- Tobacco Mosaic Virus (correct)
- Murine leukemia virus
- Polio virus
- Common cold adenovirus
In virology, what is a common method for determining virus titer?
In virology, what is a common method for determining virus titer?
- Plaque formation assay (correct)
- DNA sequencing
- Western blotting
- Electron microscopy imaging
What is a characteristic feature of RNA viral shapes known as helical viruses?
What is a characteristic feature of RNA viral shapes known as helical viruses?
Which type of virus is known for forming syncytium, a fused cell with multiple nuclei?
Which type of virus is known for forming syncytium, a fused cell with multiple nuclei?
What is a virus composed of?
What is a virus composed of?
Which scientist discovered the Tobacco Mosaic Virus in 1935 by crystallizing the virus?
Which scientist discovered the Tobacco Mosaic Virus in 1935 by crystallizing the virus?
What term refers to the protein coat surrounding the viral nucleic acid?
What term refers to the protein coat surrounding the viral nucleic acid?
Which step comes first in the lytic cycle of phage T4?
Which step comes first in the lytic cycle of phage T4?
What triggers the excision of viral DNA from the chromosome in the lysogenic cycle of bacteriophage lambda?
What triggers the excision of viral DNA from the chromosome in the lysogenic cycle of bacteriophage lambda?
What is the function of viral envelopes?
What is the function of viral envelopes?
Which virus is closest in size to a smallpox virus?
Which virus is closest in size to a smallpox virus?
What is the role of viral glycoproteins in viruses' host range?
What is the role of viral glycoproteins in viruses' host range?
In attachment of animal viruses, which method involves viral glycoproteins staying in the cytoplasmic membrane of the host?
In attachment of animal viruses, which method involves viral glycoproteins staying in the cytoplasmic membrane of the host?
What is the primary function of tail sheath and tail fiber in bacteriophages?
What is the primary function of tail sheath and tail fiber in bacteriophages?
What is the process by which the cytoplasmic membrane of the host engulfs a virus?
What is the process by which the cytoplasmic membrane of the host engulfs a virus?
Which of the following is NOT part of the viral genome classification?
Which of the following is NOT part of the viral genome classification?
In the Baltimore classification, which category does single-stranded DNA viruses fall into?
In the Baltimore classification, which category does single-stranded DNA viruses fall into?
Which type of viral genome has both + strand and - strand RNA?
Which type of viral genome has both + strand and - strand RNA?
What is the central dogma used for in the classification of viruses?
What is the central dogma used for in the classification of viruses?
