Viruses From Animal and Plants Influenza virus undergoes antigenic shift resulting in major antigenic changes by which of the following mechanisms? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants The transcription of the viral nucleic acid into mRNA is not necessary in case of all of these ss DNA viruses RNA viruses ds DNA viruses all of these ss DNA viruses RNA viruses ds DNA viruses ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants Which of the following virus is transmitted by genital route? All of these Herpes simplex virus type 2 Papillomaviruses Hepatitis B virus All of these Herpes simplex virus type 2 Papillomaviruses Hepatitis B virus ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants Which type of interferon is produced by virus-infected cells? β None of these Both (a) and (b) α β None of these Both (a) and (b) α ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants The predominant lipid substance found in the viral envelope is all of these neutral fat phospholipids glycolipids all of these neutral fat phospholipids glycolipids ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants Plant viruses penetrate host cells through transient ores called cytodesmata protodesmata endodesmata ectodesmata cytodesmata protodesmata endodesmata ectodesmata ANSWER DOWNLOAD EXAMIANS APP