Microbiology 2420 - Lecture Exam 3

Viral host range is the

• tissue types infected by a virus.

• species that are infected by a virus.

• geographical area of a virus.

• temperature range that the virus can survive.

Which of the following is caused by a prion?

• Giardiasis

• Malaria

• Zika

• Mad Cow (variant CJD)

What type of radiation penetrates surfaces and is used for disinfection?

• Microwaves

• Ultraviolet

• Ionizing

• Visible

Tags

NGSS.HS-PS4-4

Which of the following is a prokaryote?

• Archaea

• Trypanosoma

• Paramecium

• Penicillium

Which path of genetic information do retroviruses use? (put the steps in order)

1. Protein

2. RNA (replicated)

3. DNA

4. RNA (from virus)

• 1,2,3,4

• 4,3,2,1

• 1,3,2,4

• 4.2.3.1

Tags

NGSS.HS-LS3-2

Cyanobacteria are

• photoautotrophs.

• saprophytes.

• chemoheterotrophs.

• photoheterotrophs.

Lysozyme is used by _________ to exit the host.

• animal viruses.

• prions.

• parasitic protozoa.

• bacteriophages.

A single fungal filament is a

• mycelium.

• septum.

• hypha.

• conidium.

Cellular life does not have

• a cell membrane.

• ribosomes.

• metabolism.

• capsids.

The most conserved DNA codes for ___________ and is useful in determining phylogenetic relationships.

• glycolysis.

• cell surface antigens.

• ribosomal RNA.

• antibiotic resistance.

Tags

NGSS.HS-LS4-1