Which of the following virus is always detectable after infections? Cytomegalovirus Herpes simplex virus Varicella-zoster virus Hepatitis B virus TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is the agent associated with the development of neurodegenerative disease in livestock and humans? virions Virinos Viroids Prions TRUE ANSWER : ? YOUR ANSWER : ?
The hepadnaviruses such as hepatitis B virus are quite different from other DNA viruses with respect to genome replication. These replicate their DNA using reverse transcriptase DNA-dependent DNA polymerase DNA ligase Rnase H TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following has been linked to Kaposi's sarcoma? Epstein-Barr virus Human T-cell lymphotropic virus Human papilloma virus Human herpes virus 8 TRUE ANSWER : ? YOUR ANSWER : ?
The __________ of the influenza-enveloped virus appear to be involved in attachment to the host cell receptor site. flagellae hemagluttinin neuraminidase fimbriae TRUE ANSWER : ? YOUR ANSWER : ?
Which family has received most interest in their development as a biological control agent against insects? Poxviridae Iridoviridae Reoviridae Baculoviridae TRUE ANSWER : ? YOUR ANSWER : ?
Viroids are composed of single-stranded RNA single-stranded DNA double-stranded RNA double-stranded DNA TRUE ANSWER : ? YOUR ANSWER : ?
__________is probably the most important characteristic for classification of viruses in eukaryotes. Host preference Physical nature of virion constituents Morphology Chemical nature of virion constituents TRUE ANSWER : ? YOUR ANSWER : ?
Virulent and nonvirulent viruses may not inhibit host cell RNA synthesis inhibit host cell DNA synthesis degrade host cell DNA stimulate host cell macromolecule synthesis TRUE ANSWER : ? YOUR ANSWER : ?
Intracellular structures formed during many viral infections, called __________ , which can directly disrupt cell structure. chromosomal disruptions cytocidal bodies prokaryotes inclusion bodies TRUE ANSWER : ? YOUR ANSWER : ?