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Urea

urea

(Science: biochemistry) The final nitrogenous excretion product of many organisms. The chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics.A molecules created from ammonia and carbon dioxide as a result of the urea cycle.


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Streptococcus sanguis??

... from dulcitol: - Nitrate reduction: + Citrate utilisation: - Indole production: - H2S production: - Methyl red test: - Voges Proskauer test: - Urea hydrolysis: - Gelatin hydrolysis: -

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by microbiologyhelp
Fri Dec 20, 2013 10:08 pm
 
Forum: Microbiology
Topic: Streptococcus sanguis??
Replies: 1
Views: 2424

ID OF UNKNOWN?!?!

... from dulcitol: - Nitrate reduction: + Citrate utilisation: - Indole production: - H2S production: - Methyl red test: - Voges Proskauer test: - Urea hydrolysis: - Gelatin hydrolysis: - please can someone help me ID this bacterium much thanks!

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by microbiologyhelp
Fri Dec 06, 2013 10:59 am
 
Forum: Microbiology
Topic: ID OF UNKNOWN?!?!
Replies: 5
Views: 3793

Conflicting results of Gram-Negative unknown

... Green growth with salmon-colored colonies 4. TSI agar *Negative for lactose fermentation RESULTS Red slant/Yellow butt No sulfer reduction 5. Urea slant *Conflicted about results; believed to be negative for urease production RESULTS: Color change in media from peach to yellow *The next step ...

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by Jrh21854
Sun Dec 01, 2013 8:25 pm
 
Forum: Microbiology
Topic: Conflicting results of Gram-Negative unknown
Replies: 0
Views: 2166

Re:

... from dulcitol: - Nitrate reduction: + Citrate utilisation: - Indole production: - H2S production: - Methyl red test: - Voges Proskauer test: - Urea hydrolysis: - Gelatin hydrolysis: -

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by microbiologyhelp
Sun Dec 01, 2013 11:36 am
 
Forum: Microbiology
Topic: URGENT HELP IDENTIFYING UNKNOWN BACTERIA!!!
Replies: 7
Views: 6185

URGENT HELP IDENTIFYING UNKNOWN BACTERIA!!!

... – NEGATIVE INDOLE PRODUCTION – NEGATIVE HYDROGEN SULPHIDE PRODUCTION – NEGATIVE METHYL RED TEST – NEGATIIVE VOUGES PROSKAUER TEST – NEGATIVE UREA HYDROLYSIS – NEGATIVE THANK YOU

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by microbiologyhelp
Wed Nov 20, 2013 6:09 pm
 
Forum: Microbiology
Topic: URGENT HELP IDENTIFYING UNKNOWN BACTERIA!!!
Replies: 7
Views: 6185
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