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Questions and Answers
What is the primary factor used in the Baltimore classification system to categorize viruses?
What is the primary factor used in the Baltimore classification system to categorize viruses?
- Dimensions of the virion and capsid
- Nature of the nucleic acid (correct)
- Symmetry of the capsid
- Presence or absence of an envelope
Which component of a virus is responsible for anchoring glycoproteins and plays a role in host cell recognition?
Which component of a virus is responsible for anchoring glycoproteins and plays a role in host cell recognition?
- Nucleic acid
- Capsid
- Nucleocapsid
- Envelope (correct)
What is the structural unit of a capsid that comprises one or multiple protein subunits?
What is the structural unit of a capsid that comprises one or multiple protein subunits?
- Envelope
- Nucleocapsid
- Virion
- Protomers (correct)
In viral taxonomy, which characteristic helps differentiate viruses based on the genetic material they contain?
In viral taxonomy, which characteristic helps differentiate viruses based on the genetic material they contain?
Which type of virus has an outer layer composed of a phospholipid bilayer derived from the host cell?
Which type of virus has an outer layer composed of a phospholipid bilayer derived from the host cell?
What is the function of the nucleocapsid in a virus structure?
What is the function of the nucleocapsid in a virus structure?
Which characteristic aids in distinguishing enveloped viruses from non-enveloped viruses?
Which characteristic aids in distinguishing enveloped viruses from non-enveloped viruses?
Which of the following viruses has a positive-sense, single-stranded RNA genome?
Which of the following viruses has a positive-sense, single-stranded RNA genome?
What is the capsid structure of the Adenovirus?
What is the capsid structure of the Adenovirus?
Which of the following viruses has a negative-sense, single-stranded RNA genome?
Which of the following viruses has a negative-sense, single-stranded RNA genome?
Which of the following viruses is classified as a double-stranded DNA virus?
Which of the following viruses is classified as a double-stranded DNA virus?
Which of the following viruses has an enveloped structure?
Which of the following viruses has an enveloped structure?
Which of the following viruses is classified as a reverse transcribing virus?
Which of the following viruses is classified as a reverse transcribing virus?
Which of the following viruses is classified as a single-stranded DNA virus?
Which of the following viruses is classified as a single-stranded DNA virus?
Which of the following viral families has an icosahedral capsid structure?
Which of the following viral families has an icosahedral capsid structure?
What type of nucleic acid is found in HIV (human immunodeficiency virus)?
What type of nucleic acid is found in HIV (human immunodeficiency virus)?
What is the taxonomic classification of the virus that causes monkeypox (mpox)?
What is the taxonomic classification of the virus that causes monkeypox (mpox)?
Which of the following viral families has a helical capsid structure?
Which of the following viral families has a helical capsid structure?
According to the Baltimore classification, which group includes viruses with single-stranded, negative-sense RNA genomes and helical capsids?
According to the Baltimore classification, which group includes viruses with single-stranded, negative-sense RNA genomes and helical capsids?
Which of the following is a characteristic of an icosahedral capsid?
Which of the following is a characteristic of an icosahedral capsid?
What is the primary source of the viral envelope in enveloped viruses?
What is the primary source of the viral envelope in enveloped viruses?
Which of the following is a characteristic of the Rhabdoviridae family?
Which of the following is a characteristic of the Rhabdoviridae family?
Which of the following viral genomes is composed of double-stranded DNA?
Which of the following viral genomes is composed of double-stranded DNA?
According to the taxonomic classification system, which level corresponds to the suffix '-virus'?
According to the taxonomic classification system, which level corresponds to the suffix '-virus'?
Which of the following statements about viral capsids is true?
Which of the following statements about viral capsids is true?
What is the primary function of the viral envelope?
What is the primary function of the viral envelope?
Which of the following statements about viral genomes is true?
Which of the following statements about viral genomes is true?
Which of the following viral families is characterized by having a helical capsid and a single-stranded, negative-sense RNA genome?
Which of the following viral families is characterized by having a helical capsid and a single-stranded, negative-sense RNA genome?
Which of the following is NOT a route of viral transmission mentioned in the text?
Which of the following is NOT a route of viral transmission mentioned in the text?
What does 'vertical transmission' refer to in the context of viral transmission?
What does 'vertical transmission' refer to in the context of viral transmission?
Which of the following is NOT an example of vertical transmission mentioned in the text?
Which of the following is NOT an example of vertical transmission mentioned in the text?
What is a 'reservoir host' in the context of cross-species transmission?
What is a 'reservoir host' in the context of cross-species transmission?
Which of the following statements about spillover hosts is NOT true according to the text?
Which of the following statements about spillover hosts is NOT true according to the text?
What is the first stage in the five evolutionary stages of cross-species transmission described by Wolfe et al. (2007)?
What is the first stage in the five evolutionary stages of cross-species transmission described by Wolfe et al. (2007)?
Which of the following statements about reservoir hosts is true according to the text?
Which of the following statements about reservoir hosts is true according to the text?
Which of the following is NOT a potential route of entry for viruses mentioned in the text?
Which of the following is NOT a potential route of entry for viruses mentioned in the text?
Which of the following statements about the viral infection cycle is true?
Which of the following statements about the viral infection cycle is true?
Which of the following is NOT a potential consequence of cross-species transmission mentioned in the text?
Which of the following is NOT a potential consequence of cross-species transmission mentioned in the text?
Which of the following is NOT a common route of viral transmission?
Which of the following is NOT a common route of viral transmission?
Which of the following is an example of vertical transmission of a virus?
Which of the following is an example of vertical transmission of a virus?
Which characteristic is used to differentiate viruses based on the symmetry of the capsid?
Which characteristic is used to differentiate viruses based on the symmetry of the capsid?
In viral taxonomy, what is the primary factor used to differentiate viruses based on their genetic material?
In viral taxonomy, what is the primary factor used to differentiate viruses based on their genetic material?
Which of the following is a route of viral entry into the host?
Which of the following is a route of viral entry into the host?
Which of the following best describes the viral infection cycle?
Which of the following best describes the viral infection cycle?
Which viral characteristic plays a significant role in cross-species transmission?
Which viral characteristic plays a significant role in cross-species transmission?
Which of the following is NOT a potential route of viral shedding from the host?
Which of the following is NOT a potential route of viral shedding from the host?
What is the primary route of transmission for Human Immunodeficiency Virus (HIV)?
What is the primary route of transmission for Human Immunodeficiency Virus (HIV)?
Which of the following is an example of cross-species transmission of a virus?
Which of the following is an example of cross-species transmission of a virus?
Which of the following viruses is most likely to spread through direct contact between hosts?
Which of the following viruses is most likely to spread through direct contact between hosts?
Which of the following is a potential route of hematogenous spread of a virus within the host?
Which of the following is a potential route of hematogenous spread of a virus within the host?
What role do glycoproteins play in the spread of viruses within a host?
What role do glycoproteins play in the spread of viruses within a host?
Which of the following is an example of neural spread of a virus within the host?
Which of the following is an example of neural spread of a virus within the host?
Which of the following is a potential route of sexual transmission of a virus?
Which of the following is a potential route of sexual transmission of a virus?
Which of the following is a potential route of vector-borne transmission of a virus?
Which of the following is a potential route of vector-borne transmission of a virus?
Which type of symmetry is associated with helical nucleocapsids in animal viruses?
Which type of symmetry is associated with helical nucleocapsids in animal viruses?
In viral taxonomy, what differentiates viruses based on the genetic material they contain?
In viral taxonomy, what differentiates viruses based on the genetic material they contain?
Which type of RNA genome does the rabies virus possess?
Which type of RNA genome does the rabies virus possess?
What is the symmetry associated with capsid structure composed of hexons and pentons?
What is the symmetry associated with capsid structure composed of hexons and pentons?
Which parameter helps classify viruses by whether they are enveloped or non-enveloped?
Which parameter helps classify viruses by whether they are enveloped or non-enveloped?
