Between Enterobacter aerogenes and Enterobacter cloacae, which are positive or negative for phenylalanine deaminase and ornithine decarboxylase test results?

in the isolation of alkaloid,in the early stages of acid or base required conditions. explain the reason of use of those reagent

Staphylococcus aureus is non-motile, a facultative anaerobe, and a mesophile. At 37⁰C in abundant glucose, which incubation environment is more likely to produce the highest cell mass of S. aureus within two hours? Flask with aeration to add oxygen to the broth and shaking Flask left on the lab bench Flask grown in an anaerobic chamber that removes oxygen from the air around the flask Flask without aeration All will be equal

What is the key biochemical media and reactions that identify  Enterococcus faecalis and Proteus mirabilis to the species level.    Example:  For Enterobacteriaceae be sure to list applicable biochemicals such as OF, TSI, VP, Citrate, HSS, IMVC or motility and any other biochemicals that are typical For Non-fermenters – OF and the other biochemicals that would be used to identify

What role do salt and sugar individually play in treatment cholera?

What properties of the Snyder deep media allow us to detect susceptibility to dental caries?

Give the genus and species of five bacteria in the family Enterobacteriaceae .

What is the Bench Side Biochemical Test for Enterococcus faecalis and Proteus mirabilis? (For example: CATALASE FOR A GRAM (+) COCCUS and OXIDASE AND GLUCOSE UTILIZATION FOR GRAM NEG BACILLI)

Kligler’s Iron Agar:Q10) Give me the expected results for Pseudomonas aeroginosa, Salmonella typhimurium, and Escherichia coli. Pseudomonas aeroginosa, Salmonella typhimurium Escherichia coli.

I know that Enterobacter Clocoae was supposed to test positive for the catalase test. My test results came back negative. Please why is that ?