The enzyme used in indole production is thiosulfate reductase.

The microorganisms responsible for dental caries are able to live in an environment that __________ than that in which other bacteria are able to live.

In sulfur reduction, the compound produced in both reactions is __________.

The clear area that forms around an antimicrobial disk is known as the ___________.

The Snyder test was designed to ___________.

The Snyder test medium was inoculated __________.

The product produced by sulfur reduction combines with __________ in the SIM media to produce a black precipitate in a positive reaction.

The result seen here for the urea hydrolysis test would indicate a __________ result for the presence of the enzyme __________.

If you performed the disk diffusion test on Staphylococcus epidermidis with chloramphenicol as the antibiotic and measured the zone diameter as 11 mm and were given the following “Zone Diameter Interpretive Standards”, how would you evaluate the effectiveness of the antibiotic? Zone Diameter Interpretive Standards (mm) Antibiotic Resistant Intermediate Susceptible Chloramphenicol 18

__________ found on characteristic microorganisms responsible for dental plaque are primarily responsible for the presence of these bacteria.