Viruses From Animal and Plants Influenza virus undergoes antigenic shift resulting in major antigenic changes by which of the following mechanisms? Somatic recombination of heavy and light chains Reassortment of RNA segments from different influenza viruses Changing the receptor binding canyon that docks with the host receptor Expression of several different capsule types Somatic recombination of heavy and light chains Reassortment of RNA segments from different influenza viruses Changing the receptor binding canyon that docks with the host receptor Expression of several different capsule types ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants Negative strand ssRNA viruses need to have a preformed replicase when they invade a mammalian cell because they None of these use it to modify host enzymes that are recruited for viral replication have to make a positive strand copy that can be translated use it to terminate transcripts when they copy host cell mRNA None of these use it to modify host enzymes that are recruited for viral replication have to make a positive strand copy that can be translated use it to terminate transcripts when they copy host cell mRNA ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants West Nile virus can cause a disease in human beings that may be transmitted from an infected bird to a person by a mosquito. This is an example of nosocomial infection fomite borne disease arthropod borne disease endogenous infection nosocomial infection fomite borne disease arthropod borne disease endogenous infection ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants Interanuclear inclusion bodies are found in cells infected with Adenoviruses Herpesviruses all of these Parvoviruses Adenoviruses Herpesviruses all of these Parvoviruses ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants The transcription of the viral nucleic acid into mRNA is not necessary in case of ds DNA viruses RNA viruses all of these ss DNA viruses ds DNA viruses RNA viruses all of these ss DNA viruses ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants Which of the following reflects the correct order of events that take place during the multiplication of a virus? Attachment, penetration, biosynthesis, maturation, release Attachment, penetration, maturation, biosynthesis, release Penetration, attachment, biosynthesis, maturation, release Attachment, release, biosynthesis, maturation, penetration Attachment, penetration, biosynthesis, maturation, release Attachment, penetration, maturation, biosynthesis, release Penetration, attachment, biosynthesis, maturation, release Attachment, release, biosynthesis, maturation, penetration ANSWER DOWNLOAD EXAMIANS APP
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