missing a name or two from the list (Enterobacter aerogenes), and (Serratia rubidaea) - should be 20 Proteus Vulgaris (spelling) is eliminated under citrate so you can't have it at the end. some of the above choices are strict aerobes and some are facultative anaerobes. This is helpful to first eliminate a set from your possibilities (look them up to figure this out) At first eliminate the organisms that *cannot* do something your organism *can*. This means you have a positive test result and you eliminate those that are always negative for that result. That way you do not have to worry that you accidentally killed the unknown before you inoculated it. You do still need to be concerned that you interpreted the test results correctly and did not introduce a contaminant that has the ability you were testing while your true unknown did not.

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  1. missing a name or two from the list (Enterobacter aerogenes), and (Serratia rubidaea) - should be 20
  2. Proteus Vulgaris (spelling) is eliminated under citrate so you can't have it at the end.


some of the above choices are strict aerobes and some are facultative anaerobes. This is helpful to first eliminate a set from your possibilities (look them up to figure this out)

At first eliminate the organisms that *cannot* do something your organism *can*. This means you have a positive test result and you eliminate those that are always negative for that result. That way you do not have to worry that you accidentally killed the unknown before you inoculated it. You do still need to be concerned that you interpreted the test results correctly and did not introduce a contaminant that has the ability you were testing while your true unknown did not. 

Unknown 14
Strict Aerobe
Facultative anaerobe
Motile
Neisseria lactamica
Non-Motile
Citrate (+)
Citrate (-)
Alcaligenes faecalis
Klebsiella pneumoniae
Alcaligenes latus
Aeromonas sobria
Pseudomonas aeruginosa
Klebsiella oxytoca
Escherichia coli
Pseudomonas putida
Shigella flexneri
Proteus vulgaris
Pseudomonas fluorescens
Morganella morganii
Vp test (-)
Vp test (+)
Salmonella enterica
Serogroup enteriditis
Lysine decarboxylase (-)
Lysine decarboxylase (+)
Enterobactere cloacae
Proteus mirabilis
Lactose (-)
Lactose (+)
Enterobacter aerogenes
Serratia liquefaciens
Serratia rubidaea
Serratia marcescans
1. missing a name or two
from the list- should be 20
MR (-)
MR test (+)
2. Proteus Vulgaris
(spelling) is eliminated
under citrate so you can't
have it at the end.
which test did you use?
methyl red or the Vogues
Proskauer? but looks like
you eliminated Proteus
vulgaris under citrate so you
can't have it as your result
here
Transcribed Image Text:Unknown 14 Strict Aerobe Facultative anaerobe Motile Neisseria lactamica Non-Motile Citrate (+) Citrate (-) Alcaligenes faecalis Klebsiella pneumoniae Alcaligenes latus Aeromonas sobria Pseudomonas aeruginosa Klebsiella oxytoca Escherichia coli Pseudomonas putida Shigella flexneri Proteus vulgaris Pseudomonas fluorescens Morganella morganii Vp test (-) Vp test (+) Salmonella enterica Serogroup enteriditis Lysine decarboxylase (-) Lysine decarboxylase (+) Enterobactere cloacae Proteus mirabilis Lactose (-) Lactose (+) Enterobacter aerogenes Serratia liquefaciens Serratia rubidaea Serratia marcescans 1. missing a name or two from the list- should be 20 MR (-) MR test (+) 2. Proteus Vulgaris (spelling) is eliminated under citrate so you can't have it at the end. which test did you use? methyl red or the Vogues Proskauer? but looks like you eliminated Proteus vulgaris under citrate so you can't have it as your result here
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