Microbiology Q1 Part2

Members of the genus Staphylococcus are not normally associated with:

• mucous membranes

• skin glands

• skin

• a. intestine

In Table 1, which feature(s) is (are) found in both prokaryotes and eukaryotes?

• Peptidoglycan

• Nucleus

• Plasma membrane

• Mitochondrion

The 3-domain system for classification of microorganisms based on rRNA was established by:

• b. Alexander Fleming

• c. Louis Pasteur

• a. Carl Woese

• a. Gregor Mendel

The system of scientific nomenclature was established by: a. Robert Koch b. Joseph Lister c. Carolus Linnaeus d. Louis Pasteur

• c. Carolus Linnaeus

• a. Gregor Mendel

• d. Albert Einstein

• b. Charles Darwin

Which of the following, which are all eukaryotes?

• a. Bacteria, Archaea, Viruses

• c. Protozoa, molds, yeasts

• d. Molds, Protozoa, Viruses

• b. Fungi, Molds, Bacteria

Archaea are different from bacteria by the following Except:

• They reproduce by binary fission

• Their rRNA sequences are distinct

• They are found in extreme environments

• They have similar peptidoglycan in cell walls

Which of the following is a characteristic of viruses?

• c. They require a host to replicate

• a. They can reproduce independently

• b. They have a cellular structure

• d. They contain ribosomes

What is the primary component of bacterial cell walls? a. Cellulose b. Chitin c. Peptidoglycan d. Protein

• d. Lipopolysaccharide

• b. Lignin

• c. Peptidoglycan

• a. Glucose

Which microorganism is known for its role in fermentation?

• Bacteria

• Viruses

• Helminths

• All of the above

What is/are the main difference between prokaryotic and eukaryotic cells?

• All of the above

• Type of DNA

• Size

• presence of a nucleus