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Questions and Answers
True or false: Le cytosquelette est responsable du mouvement, de la division et de la morphologie des cellules.
True or false: Le cytosquelette est responsable du mouvement, de la division et de la morphologie des cellules.
Quel est le rôle du cytosquelette dans la cellule?
Quel est le rôle du cytosquelette dans la cellule?
- Il fournit de l'énergie à la cellule
- Il fournit un support, une organisation et des forces mécaniques à la cellule (correct)
- Il régule la température de la cellule
- Il régule la division cellulaire
True or false: Les filaments d'actine sont environ 25 nm de taille.
True or false: Les filaments d'actine sont environ 25 nm de taille.
Quel type de filament est responsable de la mitose et de la division cellulaire?
Quel type de filament est responsable de la mitose et de la division cellulaire?
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True or false: Le cytosquelette n'est pas essentiel pour la fonction cellulaire.
True or false: Le cytosquelette n'est pas essentiel pour la fonction cellulaire.
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Quelle est la taille approximative des filaments d'actine microfilaments?
Quelle est la taille approximative des filaments d'actine microfilaments?
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Study Notes
- The cytoskeleton provides support and organization to cells.
- It has active mechanical forces such as polymerization, tension, and contraction.
- The cytoskeleton is responsible for cell movement, division, and morphology.
- It is made up of polymers of polypeptides with non-covalent bonds.
- The majority of the dynamic activity happens at the ends of the filaments.
- There are three types of filaments in the cell: actin microfilaments, microtubules, and intermediate filaments.
- Microfilaments are made of actin and are approximately 8nm in size.
- Microtubules are made of tubulin and are approximately 25nm in size.
- Intermediate filaments are approximately 10nm in size.
- The cytoskeleton is essential for cell function and plays a role in various cellular processes.
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