TCA CYCLE QUIZ

Which of the following is the agent associated with the development of neurodegenerative disease in livestock and humans?

virions

Prions

Virinos

Viroids

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following virus is always detectable after infections?

Hepatitis B virus

Cytomegalovirus

Varicella-zoster virus

Herpes simplex virus

TRUE ANSWER : ?
YOUR ANSWER : ?

Virulent and nonvirulent viruses may not

inhibit host cell DNA synthesis

degrade host cell DNA

stimulate host cell macromolecule synthesis

inhibit host cell RNA synthesis

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following has been linked to Kaposi's sarcoma?

Human herpes virus 8

Human papilloma virus

Epstein-Barr virus

Human T-cell lymphotropic virus

TRUE ANSWER : ?
YOUR ANSWER : ?

In cancer, the reversion of cells to a more primitive or less differentiated state is called

metastasis

anaplasia

oncogenic

neoplasia

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 ligase

DNA-dependent DNA polymerase

Rnase H

TRUE ANSWER : ?
YOUR ANSWER : ?

Which family has received most interest in their development as a biological control agent against insects?

Reoviridae

Poxviridae

Baculoviridae

Iridoviridae

TRUE ANSWER : ?
YOUR ANSWER : ?

Viroids are composed of

double-stranded DNA

single-stranded DNA

double-stranded RNA

single-stranded RNA

TRUE ANSWER : ?
YOUR ANSWER : ?

__________is probably the most important characteristic for classification of viruses in eukaryotes.

Physical nature of virion constituents

Morphology

Host preference

Chemical nature of virion constituents

TRUE ANSWER : ?
YOUR ANSWER : ?

Viral RNA is replicated in the host cell

cytoplasmic matrix

nucleus

mitochondria

lysozomes

TRUE ANSWER : ?
YOUR ANSWER : ?

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