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M ring

M ring

(Science: biology, microbiology) Innermost (motor) ring of the bacterial flagellar base, located in the outer leaflet of the plasma membrane. It is this ring that is linked to the hook region (and thus to the flagellum itself) and that rotates. Composed of 16 or 17 subunits (one more or less than the s 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: 515

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: 21730

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: 2178

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: 748

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: 3080
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