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Actin filament

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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microfilaments and microtubules

which of the following apply to microtubules, which to microfilaments and which to both? 1. all the nucleotide-binding sites point the same ... thin or thick and tube like. microfilament composed of globular monomeric actin and microtubulin composed of alpha-tubulin and beta-tubulin. consider ...

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by nickname
Fri Oct 01, 2010 9:34 pm
 
Forum: Molecular Biology
Topic: microfilaments and microtubules
Replies: 0
Views: 5141

Sliding Filament Model

... Campbell and Reece Biology textbook, a diagram depicts the sliding filament model as a process in which the myosin head cuases the thin filament (Actin) to move toward the centre of sarcomere (i.e. a one-way process). However, I am wondering ...

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by vertciel
Mon Sep 29, 2008 4:43 pm
 
Forum: Physiology
Topic: Sliding Filament Model
Replies: 4
Views: 6785

Urgent, really need help

... of elements of the cytoskeleton, and is required for the shortening of actin and myosin filament crossbridges,required for muscle contraction. I hope this helps.

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by 2Loula
Tue Mar 27, 2007 9:31 pm
 
Forum: Cell Biology
Topic: Urgent, really need help
Replies: 4
Views: 1643

The Fiber Disease

... Muscle cells are long and cylindrical and made of thick myosin filaments surrounded by thin actin filaments. A central myosin filament and surrounding actin filaments form a unit that ...

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by Nadas Moksha
Fri Oct 27, 2006 9:34 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 4988302

The Fiber Disease

... Y.T., S.T. Tsai., J.J. Yan., J.H. Hsiao., Y.Y. Lee. and I.J. Su. 1978 - Actin filaments in paramyxovirus-infected human fibroblasts studied by indirect immunofluorescence. ...

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by Skytroll
Mon Jul 10, 2006 5:53 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 4988302
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