Chapter 22   What molecules are macromolecules made of subunits of amino acids?

________ are microbial infections acquired by hospital patients with noninfectious diseases because they are compromised hosts.

________ are microbial infections acquired by hospital patients with noninfectious diseases because they are compromised hosts.

Hfr strains of Escherichia coli

A chemoorganotroph and a chemolithotroph in the same environment would NOT compete for

Clostridium perfringens causes gas gangrene, a serious infection of the muscle tissues that can lead to amputation. Clostridium are Gram-positive endospore-formers and obligate anaerobes that are killed when exposed to oxygen. Which of the following virulence factors would be most helpful to this organism in establishing an infection?

Compared to Eukaryotes, Bacteria and Archaea have ________ surface-to-volume ratios, causing ________ nutrient exchange.

In the search for new antimicrobial drugs, to minimize resistance developing scientists should focus on __________.

Which of the following is most similar to lysogeny?

Which of these microorganisms is most likely to be found in the human stomach?