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Cell walls

See cell wall (singular) for definition and additional information.


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Bacterial Taxonomy

... most common method being binary fission. They all have peptidoglycan cell walls , unlike archaea. Deeply Branching Bacteria The major phyla of the deeply branching bacteria ...

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by wildfunguy
Sat Oct 19, 2013 6:12 pm
 
Forum: Microbiology
Topic: Bacterial Taxonomy
Replies: 3
Views: 4318

Cell walls of Fusobacteria

Perhaps a better question is what the walls and membranes of Fusobacteria are like. Is it still basically the thick cell wall characteristic of Gram-positive bacteria? Have they developed an analogous structure resembling ...

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by wildfunguy
Fri Oct 18, 2013 4:38 pm
 
Forum: Microbiology
Topic: Fusobacteria G+C ratio
Replies: 1
Views: 1230

Re: Help with indentifying object - can't narrow to even kingdom

... called a sclerotium. This hard-walled mass protects the dormant cells inside until better conditions for growth return. Inside the sclerotium, ... speed is 1 mm per hour. Slime molds move, and lack chitin in their cell walls. They are now classified as belonging to the Kingdom Protista (Protoctista). ...

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by Sadial
Fri Jul 26, 2013 6:29 pm
 
Forum: General Discussion
Topic: Help with indentifying object - can't narrow to even kingdom
Replies: 2
Views: 3801

plasmodesm and gap junction

The answer I found is that plant cell walls are not permeable to big proteins (more than 30-60 kDa), so they must be passed by plasmodesmata ...

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by mnatashgaran
Mon Apr 01, 2013 7:46 pm
 
Forum: Cell Biology
Topic: plasmodesm and gap junction
Replies: 1
Views: 2005

Cell wall extension- shearing units??

I am currently reading about the plant cell wall and it's expansion (for an assignment which happens to be in tomorrow!) ... "Wall extension commonly exhibits a yield threshold stress, below which walls do not extend. Although its molecular nature is not well understood, one way ...

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by MelJayne
Tue Jan 29, 2013 6:37 pm
 
Forum: Cell Biology
Topic: Cell wall extension- shearing units??
Replies: 0
Views: 1517
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