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 The RNA sarcoma viruses, the most strongly transforming viruses may transform which of the following cells in a culture? fibroblasts iris epithelial myoblasts all of these fibroblasts iris epithelial myoblasts all of these ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants Fluorescence microscopy can be used for the diagnosis of Subacute sclerosing panencephalitis All of these Herpes simplex encephalitis Rabies Subacute sclerosing panencephalitis All of these Herpes simplex encephalitis Rabies ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants What can be coated to the plastic dish if an ELISA is performed to directly detect polio virus? Colored substrate Patient serum Polio capsid protein Anti-polio antibody Colored substrate Patient serum Polio capsid protein Anti-polio antibody 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 DNA pyrase RNA gyrase RNA pyrase DNA gyrase DNA pyrase RNA gyrase 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 Attachment, release, biosynthesis, maturation, penetration Penetration, attachment, biosynthesis, maturation, release Attachment, penetration, biosynthesis, maturation, release Attachment, penetration, maturation, biosynthesis, release Attachment, release, biosynthesis, maturation, penetration Penetration, attachment, biosynthesis, maturation, release ANSWER DOWNLOAD EXAMIANS APP