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Actin filaments

Actin filament

One of the contractile elements in muscular fibres and other cells; in skeletal muscle, the actin filaments are about 5 nm wide and 100 um long, and attach to the transverse Z filaments.


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Activation of myosin?

... this: Every muscle contraction involved the interaction of myosin and actin filaments. This interaction can occur only after myosin has been activated. Describe the activation ...

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by Vangeek
Wed Feb 11, 2009 5:10 am
 
Forum: Cell Biology
Topic: Activation of myosin?
Replies: 2
Views: 523

Lipid Trafficking

... is formed is an active process. At least the TCR movement is guided by actin filaments, maybe also by microtubules. Oh, and even though I talk about MHC:TCR complexes, ...

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by biohazard
Tue Dec 09, 2008 8:01 am
 
Forum: Cell Biology
Topic: Lipid Trafficking
Replies: 6
Views: 749

Actin filiments role in ameoboid movement

when it is in a gel the actin filaments are randomly oriented, creating a disordered network. When it forms filaments they are ordered, ...

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by MrMistery
Tue Oct 07, 2008 7:38 pm
 
Forum: Microbiology
Topic: Actin filiments role in ameoboid movement
Replies: 6
Views: 1322

Actin filiments role in ameoboid movement

yes in that it does involve myosin moving on actin. No in that it is not the same mechanism. In amoebae, it is the rearranging of the actin filaments that makes the pseudopodia extend out of the cell, as I remember. In the cytosol they ...

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by MrMistery
Mon Oct 06, 2008 4:36 am
 
Forum: Microbiology
Topic: Actin filiments role in ameoboid movement
Replies: 6
Views: 1322

The Fiber Disease

... Mechanic properties of freely suspended quasi two-dimesional model actin cortex on microfabricated three-dimensional pillar substrates Conical ... oligomers, grafted onto the surface of the pillar substrates, actin filaments were selectively bound to the top of the pillars. The addition ...

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by Nadas Moksha
Mon Nov 06, 2006 7:01 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 748961
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