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 Viral matrix proteins are part of the nucleoprotein core of viruses exposed on the surface of the virus anchor the envelope of enveloped viruses found mainly on naked viruses part of the nucleoprotein core of viruses exposed on the surface of the virus anchor the envelope of enveloped viruses found mainly on naked viruses ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants The two major components of viruses are fat and protein fat and carbohydrate nucleic acid and protein carbohydrate and nucleic acid fat and protein fat and carbohydrate nucleic acid and protein carbohydrate and nucleic acid ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants Mumps vaccine is prepared from the cultures of sheep African green monkey cells chick fibroblasts healthy calves sheep African green monkey cells chick fibroblasts healthy calves ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants The predominant lipid substance found in the viral envelope is phospholipids glycolipids neutral fat all of these phospholipids glycolipids neutral fat all of these ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants Supercoiling refers to the extra turns in the structure of ds DNA due to the action of RNA pyrase DNA gyrase RNA gyrase DNA pyrase RNA pyrase DNA gyrase RNA gyrase DNA pyrase ANSWER DOWNLOAD EXAMIANS APP
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