Microbiology Chapter 4 practice questions – Flashcards

Bacterial cells could have any of the following appendages, except

Spirochetes have a twisting and flexing locomotion due to appendages called

The short, numerous appendages used by some bacterial cells for adhering to surfaces are called

The transfer of genes during bacterial conjugation involves rigid, tubular appendages called

All bacterial cells have

The term that refers to the presence of flagella all over the cell surface is

The outcome of the Gram stain is based on differences in the cell's

The most immediate result of destruction of a cell's ribosomes would be

A bacterial cell exhibiting chemotaxis probably has

Which structure protects bacteria from being phagocytized?

If bacteria living in salty seawater were displaced to a freshwater environment, the cell structure that would prevent the cells from rupturing is

Peptidoglycan is a unique macromolecule found in bacterial

All of the following structures contribute to the ability of pathogenic bacteria to cause disease, except

A procaryotic cell wall that has primarily peptidoglycan with small amounts of teichoic acid and lipoteichoic acid is

A bacterial genus that has waxy mycolic acid in the cell walls is

All of the following pertain to endotoxins, except they

The difference in cell wall structure of Mycobacterium and Nocardia compared to the typical gram-positive bacterial cell wall structure is

Lipopolysaccharide is an important cell wall component of

The periplasmic space is

Which of the following, pertaining to prokaryotic cell membranes, is mismatched?

The site/s for most ATP synthesis in prokaryotic cells is/are the

The bacterial chromosome

Which is mismatched?

Magnetosomes are

The function of bacterial endospores is

Chemical analysis of a bacterial cell structure detects calcium dipicolinic acid. What is the identity of this structure?

Endospores are

Bacterial endospores are not produced by

Which term is not used to describe bacterial cell shapes?

Which statement is not a characteristic of biofilms?

An important indicator of evolutionary relatedness is to determine

Which phylum is mismatched?

Which is mismatched?

The presence of thylakoids, phycocyanin, gas inclusions, and cysts would be associated with

When a rod shaped bacteria is short and plump, it is called a

Sarcinae refers to

What is the correct sequence for a Gram stain?

All of the following are correct about biofilms, except

Bacteria with small bunches of flagella emerging from the same site are said to be

All of the following are correct about a slime layer, except

Lysozyme, an enzyme found in tears, provides a natural defense against bacteria by

In the Gram stain, the mordant is

Which cell structure is an important agent in modern genetic engineering techniques?

A microoganism has been described to you as living in hot acidic habitats in the waste piles of coal mines that regularly sustain a pH of 1 and a temperature of nearly 60°C. Which type of organism do you immediately assume it is?

Which of the following is mismatched?

Which of the following characteristics is not a property of cells or living things?

Which structure is not a component of all cells?

Viruses are not considered living things because

Which of the following is not found in all bacterial cells?

The major locomotor structures is not found in bacteria are

Pili are appendages in ________ bacteria that serve as a means of ________

AN example of a glycocalyx is

Which of the following is present in both gram-postive ad gram-negative

Metachromatic granules are concentrated _________ found in __________

Which of the following prokaryotes lacks cell walls?

The LPS layer in gram-negative cell walls releases _________ that cause _________

Bacterial endospores function in

An arrangement in packets of eight cells is described as a

The major difference between a spirochete and a spirillum is

Which phylum contains bacteria with a gram-positive cell wall?

To which taxonomic group do cyanobacteria belong?

Which stain is used to distinguish differences between the cell walls of medically important bacteria?

The first living cells on earth would most likely resemble which of these?