Viruses From Animal and Plants Influenza virus undergoes antigenic shift resulting in major antigenic changes by which of the following mechanisms? Changing the receptor binding canyon that docks with the host receptor Reassortment of RNA segments from different influenza viruses Somatic recombination of heavy and light chains Expression of several different capsule types Changing the receptor binding canyon that docks with the host receptor Reassortment of RNA segments from different influenza viruses Somatic recombination of heavy and light chains Expression of several different capsule types 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 all of these lysosomal lipase lysosomal protease DNA gyrase all of these lysosomal lipase lysosomal protease ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants Which type of interferon is produced by T lymphocytes? α γ and β β γ α γ and β β γ ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants The predominant lipid substance found in the viral envelope is phospholipids neutral fat all of these glycolipids phospholipids neutral fat all of these glycolipids 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 arthropod borne disease nosocomial infection fomite borne disease endogenous infection arthropod borne disease nosocomial infection fomite borne disease endogenous infection ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants Which of the following characteristics would not be used to classify viruses? Type of cell wall structure Presence of an envelope Symmetry Type of nucleic acid Type of cell wall structure Presence of an envelope Symmetry Type of nucleic acid ANSWER DOWNLOAD EXAMIANS APP
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