Virus Classification and Characteristics Exam

What is the origin of viruses according to the text?

What is the estimated number of viruses on Earth based on the text?

How do viruses compare in numbers to bacteria?

Which organism category has the least number of representatives on Earth based on the text?

What is the general trend of the number of human pathogens discovered in recent times?

What is the theoretical number of genes that the simplest virus would have?

Which Baltimore classification is associated with Dengue virus?

What is the term used to describe the virus specificity for a particular cell type, tissue, or species?

Which structure limits diffusion in the cytoplasm of a cell?

Which phase of viral replication involves capsid rearrangement?

Which drug class is associated with inhibiting polymerase in HIV, Herpes viruses, HBV, and HCV?

What process involves the release of new virions from a host cell through the plasma membrane?

What is the major difference between cellular and viral pathogens in terms of ATP production?

Which statement correctly describes the visibility of viruses under a light microscope?

What is the distinguishing characteristic of virus genetics compared to cell genetics?

Which classification level is often the highest for viruses?

What characteristic structure do viruses exhibit that is distinct from cells?

Which type of viruses have polymerase proofreading to reduce errors in replication?

What is a common method for the direct examination of viruses based on identifying viral nucleic acid?

Which diagnostic method involves breaking apart double-stranded DNA and using primers to identify viruses?

What distinguishes the Transmission Electron Microscopy (TEM) method from the Electron Microscopy (EM) method?

Which method involves cell culture and is considered an indirect way to diagnose viral infections?

How does serological diagnosis differentiate between recent and past viral infections?

What is a distinguishing feature of viruses in terms of ATP production?

What structural component limits the diffusion of substances in the cytoplasm of a cell?

Which classification level is often the highest for viruses?

What is a key difference between cellular and viral pathogens in terms of ribosomes?

Why are viruses not visible under light microscopy?

What is the term used to describe the theory that suggests viruses evolved from previously independent life forms and lost many functions?

How do the numbers of viruses compare to the numbers of bacteria based on the information provided?

Which theory suggests that viruses evolved from primitive, pre-biotic self-replicating molecules?

How many human-infecting viruses were known as of 2012 according to the text?

Which characteristic makes viruses distinct from cells based on the provided text?

What theory suggests that viruses are evolving independently but parallel to cellular organisms?

What does the term 'Permissive' refer to in the context of viral replication?

Which organelle, besides the nucleus, is involved in the late phase of viral release?

What is the specific role of Enfuvirtide in viral replication?

Which polymerase proofreading mechanism is employed by some viruses to reduce replication errors?

In terms of viral genetics, what distinguishes non-structural proteins from structural proteins?

What process involves the release of new virions from a host cell without envelopment through exocytosis?

Why do DNA viruses have lower error rates in replication compared to RNA viruses?

Which diagnostic method is based on the detection of viral antigens?

What is the primary purpose of viral isolation and identification in diagnostics?

Which method breaks apart double-stranded DNA and uses primers to identify viruses?

What is the distinguishing characteristic of Transmission Electron Microscopy (TEM) compared to Direct Electron Microscopy (EM)?

How do most RNA viruses compare in error rates during replication?