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 Changing the receptor binding canyon that docks with the host receptor Somatic recombination of heavy and light chains Expression of several different capsule types Reassortment of RNA segments from different influenza viruses Changing the receptor binding canyon that docks with the host receptor Somatic recombination of heavy and light chains Expression of several different capsule types ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants The two major components of viruses are fat and protein nucleic acid and protein carbohydrate and nucleic acid fat and carbohydrate fat and protein nucleic acid and protein carbohydrate and nucleic acid fat and carbohydrate ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants Which type of interferon is produced by T lymphocytes? α γ β γ and β α γ β γ and β 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 all of these myoblasts iris epithelial fibroblasts all of these myoblasts iris epithelial ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants The microbes which are most likely to be completely dependent on a plant or animal host are algae viruses fungi bacteria algae viruses fungi bacteria ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants Which of the following characteristics would not be used to classify viruses? Presence of an envelope Type of cell wall structure Type of nucleic acid Symmetry Presence of an envelope Type of cell wall structure Type of nucleic acid Symmetry ANSWER DOWNLOAD EXAMIANS APP
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