Which of the following is TRUE about the Nitrate Reduction test?   Question 1 options: A Nitrate oxidase is the enzyme present for a positive test result B Pseudomonas aerugenosa can use oxygen instead of NO2 for aerobic respiration C Ammonia is reduced to NO2 by some bacteria D Oxygen is needed to reduce nitrate E It tests the ability to reduce NO3 to NO2 or ammonia or nitrogen

(1) Which of the following pieces of information need to be cited in a microbiology lab report?1. Pseudomonas aeruginosa is a Gram-negative bacillus Yes / No2. It is well established that P. aeruginosa is positive for both the catalase and cytochrome oxidasetests Yes / No3. A recent study found that hyperbaric oxygen treatment might increase P. aeruginosasusceptibility to antibiotics in cystic fibrosis patients Yes / No4. P. aeruginosa is an opportunistic pathogen Yes / No5. P. aeruginosa is an opportunistic pathogen that causes about 51,000 infections in the USannually Yes / No

10 mL of a culture of Enterobacter at 104 cells/mL is introduced into 990 mL of the same broth at the same temperature (37° C) with adequate mixing. It is 8 p.m. the night before class on Tuesday at 11 a.m. Doubling time for this species is 40 minutes. Will the culture reach Stationary Phase before  class? What time the culture does reach Stationary Phase?

Among the many methods, please identify Bacillus cereus bacteria, in staining reactiontests, such as A.simple staining B.gram staining C. isolation tests To distinguish specific cultural characteristics of Bacillus cereus bacteria, please explain how to identify Bacillus cereus in these tests below? D indole test, E.starchhydrolysis test F. citrate test.