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Bacterial flagella

Bacterial flagella

(Science: microbiology) thin filaments composed of flagellin sub units that are rotated by the basal motor assembly and act as propellors.

If rotating anticlockwise (as viewed from the flagellar tip) the bacterium moves in a straight path, if clockwise the bacterium tumbles.


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Re:

... They too have a defined shape (a spiral ball with flagella on the outside and an acellular interior compartment), a constrained ... It consists of a compact assembly or aggregate of flagellated bacterial cells, highly organized in a sphere, that swim in either helical ...

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by BlahBlahBlah
Thu Jun 27, 2013 1:46 pm
 
Forum: Microbiology
Topic: Multicellular prokaryote
Replies: 24
Views: 17563

Refutation of Evolution theory

... his arguments are on Youtube. Try around minute 40 on this one for the bacterial flagellum stuff: https://www.youtube.com/watch?v=JVRsWAjvQSg If you're thinking "but I'm talking about the origin of life, not flagella!" I would point out that these arguments apply equally well ...

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by Luxorien
Mon Feb 04, 2013 10:28 pm
 
Forum: Evolution
Topic: Refutation of Evolution theory
Replies: 13
Views: 9396

Please Help with Homework (fairly easy questions)

... of organelles depending on the specific tasks they must perform. C) Bacterial cells contain membrane-bound organelles. D) Plant and animal cells ... A) 17. Which of the following works like a propeller? A) eukaryotic flagella B) prokaryotic flagella C) eukaryotic cilia D) prokaryotic cilia B)

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by billyfisher100
Wed Feb 15, 2012 6:46 pm
 
Forum: General Discussion
Topic: Please Help with Homework (fairly easy questions)
Replies: 6
Views: 30339

Please Help with Homework (fairly easy questions)

... of organelles depending on the specific tasks they must perform. C) Bacterial cells contain membrane-bound organelles. D) Plant and animal cells ... 17. Which of the following works like a propeller? A) eukaryotic flagella B) prokaryotic flagella C) eukaryotic cilia D) prokaryotic cilia

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by WishIknewbio
Wed Feb 15, 2012 6:02 pm
 
Forum: General Discussion
Topic: Please Help with Homework (fairly easy questions)
Replies: 6
Views: 30339

Question about flagella

I had a question about flagella and cilia. I wasn't sure what subheading this really went under, since it was ... move. So I guess my question is, how similar are the genetics and mechanisms of bacterial and eukaryotic molecular motors, and does Dr. Margulis idea hold any water?

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by IUAlum
Sun Mar 06, 2011 5:25 am
 
Forum: General Discussion
Topic: Question about flagella
Replies: 2
Views: 2307
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