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P ring

P ring

(Science: microbiology) One of the bushes at the base of the flagellum of gram-negative bacteria, anchoring it in the peptidoglycan layer of the cells wall. Lies below the l ring.

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Re: Any ideas for vaccine development or anti-viral drugs???

... (PMO) are a class of uncharged single-stranded DNA analogs modified such that each subunit includes a phosphorodiamidate linkage and morpholine ring. PMO antisense agents have been reported to effectively interfere with the replication of several positive-strand RNA viruses in cell culture. ...

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by jonmoulton
Mon Sep 15, 2014 3:04 pm
Forum: Cell Biology
Topic: Any ideas for vaccine development or anti-viral drugs???
Replies: 2
Views: 696

Microevolution verus Macroevolution

... though, is speciation, and in fact there is a beautiful example of extinction and speciation in a single event, namely an extinction event in a ring species. If a selection of sub-species in the middle of the ring go extinct, by a bolide impact, for example, and the remaining subspecies are ...

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by hackenslash
Thu Mar 06, 2014 8:57 am
Forum: Evolution
Topic: Microevolution verus Macroevolution
Replies: 16
Views: 21829

Conflicting results of Gram-Negative unknown

... positive or pigment negative...not quite sure what that means. Has never been discussed in lab 6. Indole test *Negative RESULTS: No cherry red ring on top of liquid layer 7. Citrate test *VERY CONFLICTED ABOUT RESULTS, RESULTS: Positive indicator would be color change of the media from green-ish ...

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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: 2202

indole test reaction

... i incubated the 5 tubes (with inoculum) at 44.5 degrees and after 24 hrs. i dropped kovacs reagent to the tubes, after a while 1 tube has a red ring while the other tubes has green ring. And then after a while the tube with the red ring suddenly turned greenish..can anybody tell me what happened? ...

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by magandangbutiki
Fri Aug 02, 2013 7:53 am
Forum: Microbiology
Topic: indole test reaction
Replies: 0
Views: 754

Re: The smoking gun of the debate: ring species. do they exist?

@ curiouseeker You wrote "i have researched the creation evolution debate extensively.". You claim extensive research yet you call it "creation evolution debate" - perhaps you mean the debate among the lay people but not among professional biologist who publish in peer review jou...

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by RabbitPhilosopher
Wed Jun 19, 2013 9:53 pm
Forum: Evolution
Topic: The smoking gun of the debate: ring species. do they exist?
Replies: 4
Views: 3094
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