You Have Discovered a Previously Unknown Microbe That Seems to Be

question 8

Multiple Choice

You have discovered a previously unknown microbe that seems to be associated with a human respiratory infection.It consists only of a strand of RNA covered in a layer of protein,surrounded by a membranous envelope,so it is

• A)a bacteriophage.
• B)a virus.
• C)a viroid.
• D)a prion.
• E)a bacterium.

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Definitions:

Diameter

The straight line passing from side to side through the center of a body or figure, especially a circle or sphere, and representing the maximum distance between sides.

External Threads

Threads on the outside of a cylindrical surface, designed to fit into a corresponding part with internal threads.

Internal Threads

Threads located on the inside surface of a hole, designed to mate with external threads on a bolt or screw.

Die Cuts

Precise shapes cut from various materials using a die or mold.