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 Changing the receptor binding canyon that docks with the host receptor Reassortment of RNA segments from different influenza viruses Expression of several different capsule types Somatic recombination of heavy and light chains Changing the receptor binding canyon that docks with the host receptor Reassortment of RNA segments from different influenza viruses Expression of several different capsule types ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants Negri bodies are found in cells infected with Rabies virus Vaccinia virus Fowlpox virus Paramyxoviruses Rabies virus Vaccinia virus Fowlpox virus Paramyxoviruses 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 terminate transcripts when they copy host cell mRNA have to make a positive strand copy that can be translated use it to modify host enzymes that are recruited for viral replication None of these use it to terminate transcripts when they copy host cell mRNA have to make a positive strand copy that can be translated use it to modify host enzymes that are recruited for viral replication 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 fomite borne disease endogenous infection arthropod borne disease nosocomial infection fomite borne disease endogenous infection arthropod borne disease nosocomial infection ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants Viropexis takes place in the phagocytic vacuoles and is due to the action of enzymes DNA gyrase lysosomal lipase all of these lysosomal protease DNA gyrase lysosomal lipase all of these lysosomal protease ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants The RNA sarcoma viruses, the most strongly transforming viruses may transform which of the following cells in a culture? all of these fibroblasts iris epithelial myoblasts all of these fibroblasts iris epithelial myoblasts ANSWER DOWNLOAD EXAMIANS APP
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