Viruses From Animal and Plants Transfer of infection from cell to cell occurs mainly by direct transfer of virions via none of these plasmodesmata cytodesmata protodesmata none of these plasmodesmata cytodesmata protodesmata ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants Negative strand ssRNA viruses need to have a preformed replicase when they invade a mammalian cell because they use it to modify host enzymes that are recruited for viral replication use it to terminate transcripts when they copy host cell mRNA None of these have to make a positive strand copy that can be translated use it to modify host enzymes that are recruited for viral replication use it to terminate transcripts when they copy host cell mRNA None of these have to make a positive strand copy that can be translated ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants The nucleocapsid is covered by an outer membrane like structure called membronocapsid envelope all of these covering membronocapsid envelope all of these covering ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants Viral matrix proteins are anchor the envelope of enveloped viruses found mainly on naked viruses part of the nucleoprotein core of viruses exposed on the surface of the virus anchor the envelope of enveloped viruses found mainly on naked viruses part of the nucleoprotein core of viruses exposed on the surface of the virus ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants The predominant lipid substance found in the viral envelope is glycolipids all of these phospholipids neutral fat glycolipids all of these phospholipids neutral fat ANSWER DOWNLOAD EXAMIANS APP
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 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 Somatic recombination of heavy and light chains ANSWER DOWNLOAD EXAMIANS APP