Microbiology

Learn the toughest concepts covered in Microbiology with step-by-step video tutorials and practice problems by world-class tutors.

18. Viruses, Viroids, & Prions

Introduction to Viruses

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concept

General Structure of Viruses

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Enveloped vs. Non-Enveloped Viruses

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Problem

When packaged in the virus, the complex of nucleic acid and protein is known as the:

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concept

Three Common Shapes of Viruses

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Problem

Which component of a virus allows the virus to bind to and enter the host cell?

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Problem

The SARS-CoV-2 virus (Covid-19) is an enveloped, icosahedral virus. What characteristics does the SARS-CoV-2 virus have?
a) The SARS-CoV-2 virus is round in shape with an outer lipid bilayer.
b) The SARS-CoV-2 virus is a complex-shaped virus with an outer lipid bilayer.
c) The SARS-CoV-2 virus is helical in shape and is considered a “naked” virus.
d) The SARS-CoV-2 virus is round in shape and is considered a “naked” virus.