Viruses From Animal and Plants What does the positive strand in double stranded RNA viruses stands for? mRNA None of these tRNA rRNA mRNA None of these tRNA rRNA 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? 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 Reassortment of RNA segments from different influenza viruses Changing the receptor binding canyon that docks with the host receptor ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants Which of the following virus is transmitted by the respiratory route? All of these Rhinovirus Measles virus Coronavirus All of these Rhinovirus Measles virus Coronavirus ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants Plant viruses penetrate host cells through transient ores called ectodesmata cytodesmata protodesmata endodesmata ectodesmata cytodesmata protodesmata endodesmata 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 None of these use it to modify host enzymes that are recruited for viral replication have to make a positive strand copy that can be translated use it to terminate transcripts when they copy host cell mRNA None of these use it to modify host enzymes that are recruited for viral replication have to make a positive strand copy that can be translated use it to terminate transcripts when they copy host cell mRNA ANSWER DOWNLOAD EXAMIANS APP
Viruses From Animal and Plants Animal viruses with capsids displaying helical symmetry include rabies measles and mumps all of these influenza rabies measles and mumps all of these influenza ANSWER DOWNLOAD EXAMIANS APP
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