Microbiology Classification

Which of the following organisms would have a nuclear envelope?

• Yeast

• Parvovirus

• Bacillus bacteria

• Ebolavirus

Which of the following typically has a Golgi body?

• Bacteria

• Archaea

• Intestinal worms (helminths)

• Cyanobacteria

In general, bacteria have a similar size as ____, indicating that they might have a common origin.

• DNA viruses

• RNA viruses

• mitochondria

• plant cells

What is a defining feature of eukaryotes that prokaryotes lack?

• DNA as the genetic material

• Flagella for movement

• Cell wall made of peptidoglycan

• Nucleus

What is TRUE about viruses? Select all that apply.

• They can have an RNA genome rather than DNA

• They can divide without a host

• Their genome is protected by a capsid (protein shell)

• They always infect eukaryotes

What is FALSE about bacteria?

• Some bacteria can undergo photosynthesis

• Most bacteria can cause illness

• Bacteria can have two lipid membranes separated by a peptidoglycan cell wall

• Some bacteria have just one lipid membrane

Bacteria come in a variety of shapes. Identify the incorrectly paired name and shape.

• coccus - sphere

• bacillus - rod

• spirillum - spiral

• vibrio - corkscrew

What is TRUE about fungi? Check all that apply.

• They have chitin in their cell walls

• They are heterotrophs and cannot make their own food

• Fungi never cause disease in humans

• They can create spores for reproduction

How would you describe protozoa, like the parasite that causes malaria?

• Single-celled prokaryotes

• Single-celled eukaryotes

• Multicellular prokaryotes

• Multicellular eukaryotes

What is TRUE about protozoa? Check all that apply.

• They do not have a cell wall

• They are never parasitic and therefore live independently

• Examples include amoebae and trypanosoma

• They cannot undergo binary fission