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Arizona

Arizona

a genus of motile, peritrichous, nonsporeforming, aerobic to facultatively anaerobic bacteria (family Enterobacteriaceae) containing gram-negative rods. These organisms do not produce urease and do not grow in media containing potassium cyanide. They decarboxylate lysine, arginine, and ornithine. Lactose is generally fermented. These organisms have been isolated from a wide variety of animals, including man; they may cause gastroenteritis in man and frequently are involved in localised lesions in man and lower animals. There is a single species, arizona hinshawii, the type species.

arizona hinshawii, former name for salmonella subsp. Arizonae.


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Small Mammal's Lower Jaw? Very unique- trying to identify

Found this in the Imperial National Wildlife Refuge in La Paz County, Arizona, USA. It was on a mountainside right next to the Colorado River. I've never seen anything like it and I am hoping someone can identify it for me.

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by benchambers
Mon Mar 04, 2013 6:00 am
 
Forum: Zoology Discussion
Topic: Small Mammal's Lower Jaw? Very unique- trying to identify
Replies: 3
Views: 716

Re: Can you think of an evolutionary reason for this?

... "Bruce Ellis, a professor of Family Studies and Human Development at the University of Arizona, discovered along with his colleagues a pattern of early puberty in girls whose parents divorced when those girls were between 3 and 8 years ...

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by Cat
Fri Sep 28, 2012 3:12 pm
 
Forum: Evolution
Topic: Can you think of an evolutionary reason for this?
Replies: 8
Views: 3001

Growth of Salmonella on meat sold in public markets

... http://www.fda.gov/Food/FoodSafety/FoodborneIllness/FoodborneIllnessFoodbornePathogensNaturalToxins/BadBugBook/ucm070015.htm http://ag.arizona.edu/pubs/health/foodsafety/az1092.html

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by JorgeLobo
Fri Mar 23, 2012 5:52 pm
 
Forum: Microbiology
Topic: Growth of Salmonella on meat sold in public markets
Replies: 5
Views: 1448

Re: Isopropanol, Water, and RNA Stability

... is more polar than water? :roll: You should probably recapitulate some general chemistry. here is the mechanism: http://www.biochem.arizona.edu/classes/bioc462/462a/NOTES/Nucleic_Acids/RNA_Hydrolysis.gif thus you can see that OH- is important for the hydrolysis

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by JackBean
Mon Nov 28, 2011 9:41 pm
 
Forum: Molecular Biology
Topic: Isopropanol, Water, and RNA Stability
Replies: 3
Views: 1729

Primer Extension Assay

... how the primer extension assay detects the 5' end of the transcription start site? I found the following diagram of the assay: http://www.biochem.arizona.edu/classes/bioc568/primer_extension.htm However, that diagram is unlabeled and I'm really confused at to what hybridizes to what, and at what ...

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by Danja
Sat Nov 05, 2011 6:28 pm
 
Forum: Molecular Biology
Topic: Primer Extension Assay
Replies: 2
Views: 1341
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