1. Introduction to Microbiology

Which of the following best explains why there are no gram-positive archaea species, but there are gram-positive bacteria species?

Bacterial cells could have any of the following appendages except:

Which of the following is a common type of bacteria found in a healthy human gut microbiome?

Which of the following is NOT a major element found in microbial cells?

Which of the following terms correctly describes a single flagellum located at one end of a bacterial cell?

Which of the following bacterial species is primarily responsible for causing cholera in humans?

Streptomyces differs from Actinomyces because Streptomyces:

Molds and yeast are types of ______.

Which of the following bacteria has an unusual waxy cell wall structure that contributes to its virulence?

The chemoheterotroph Proteus vulgaris is a rod-shaped bacterium classified with _____.

Pus-forming bacterial cells that form in long chains and cause blood poisoning are called:

Which term is NOT used to describe bacterial cell shapes?

Which of the following bacterial genera does NOT produce endospores?

Which of the following is an example of an infectious disease that is also a communicable disease?