Viruses From Animal and Plants Influenza virus undergoes antigenic shift resulting in major antigenic changes by which of the following mechanisms? 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 Somatic recombination of heavy and light chains Changing the receptor binding canyon that docks with the host receptor ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants The tissue structure deteriorates as the virus multiplies. This deterioration is called aneuploidy protopathic effect none of these cytopathic effect aneuploidy protopathic effect none of these cytopathic effect ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants The transcription of the viral nucleic acid into mRNA is not necessary in case of RNA viruses ss DNA viruses ds DNA viruses all of these RNA viruses ss DNA viruses ds DNA viruses all of these ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants Icosahedral viruses are generally none of these adeno viruses both (a) and (b) polio viruses none of these adeno viruses both (a) and (b) polio viruses ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants Plant viruses penetrate host cells through transient ores called protodesmata endodesmata ectodesmata cytodesmata protodesmata endodesmata ectodesmata cytodesmata ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants Which of the following virus is transmitted by the respiratory route? All of these Coronavirus Rhinovirus Measles virus All of these Coronavirus Rhinovirus Measles virus ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS