Portage Learning BIOD 171 Module 6 Questions with 100% Correct Answers | Verified | Latest Update
Portage Learning BIOD 171 Module 6 Questions with 100% Correct Answers | Verified | Latest Update True or False: viruses can be classified as prokaryotic or eukaryotic False. Viruses are neither prokaryotic or eukaryotic What is an obligate intracellular parasite? viruses cannot replicate unless inside a living host cell. As a parasite, a virus depends on its living host to provide the framework (proteins, etc) to replicate—to make additional copies of itself. What is a viral capsid? a membrane-like protective structure that contains genetic material similar to nucleus of eukaryotic cells. What is the viral envelope, and what does the presence (or absence) of it tell you about the type of virus? The envelope surrounds the viral capsid, is derived from the host cell membrane and serves as an additional barrier to the external environment. The overwhelming majority of animal viruses are enveloped whereas the majority of plant or bacteria-infecting viruses are not. What type of microscope would be used to study the shape of a viral capsid? Due to its size (~30-150 nm) most viral capsids must be visualized via electron microscopy.
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