Viruses From Animal and Plants Influenza virus undergoes antigenic shift resulting in major antigenic changes by which of the following mechanisms? Changing the receptor binding canyon that docks with the host receptor Somatic recombination of heavy and light chains Reassortment of RNA segments from different influenza viruses Expression of several different capsule types Changing the receptor binding canyon that docks with the host receptor Somatic recombination of heavy and light chains Reassortment of RNA segments from different influenza viruses Expression of several different capsule types ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants The structural abnormality of cells is termed as metastasis hyperplasia all of these anaplasia metastasis hyperplasia all of these anaplasia ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants Which type of interferon is produced by virus-infected cells? β Both (a) and (b) None of these α β Both (a) and (b) None of these α ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants The microbes which are most likely to be completely dependent on a plant or animal host are viruses algae bacteria fungi viruses algae bacteria fungi ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants Negri bodies are found in cells infected with Fowlpox virus Paramyxoviruses Vaccinia virus Rabies virus Fowlpox virus Paramyxoviruses Vaccinia virus Rabies virus 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 have to make a positive strand copy that can be translated None of these use it to modify host enzymes that are recruited for viral replication use it to terminate transcripts when they copy host cell mRNA have to make a positive strand copy that can be translated None of these use it to modify host enzymes that are recruited for viral replication use it to terminate transcripts when they copy host cell mRNA ANSWER DOWNLOAD EXAMIANS APP
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