9 Questions
Quel est le rôle du cytosquelette dans la cellule?
Il fournit un soutien et une organisation à la cellule
True or false: The cytoskeleton only contributes to the cell's organization, but not its dynamics.
False
True or false: Le cytosquelette est responsable du mouvement, de la division et de la morphologie cellulaire.
Quels sont les types de filaments qui composent le cytosquelette?
Actine microfilaments, microtubules et filaments intermédiaires.
True or false: The cytoskeleton is responsible for mitosis and cell division.
True
True or false: Les filaments d'actine sont plus grands que les filaments intermédiaires.
True or false: There are four types of filaments in the cytoskeleton.
False
True or false: Le cytosquelette est composé de polymères de polypeptides avec des liaisons covalentes.
Pourquoi les microtubules sont-ils nécessaires à la mitose et à la division cellulaire?
Parce qu'ils forment le fuseau mitotique qui sépare les chromosomes pendant la division cellulaire
Study Notes
- The cytoskeleton supports the cell membrane and contributes to the cell's organization and dynamics.
- It has active mechanical forces such as polymerization, tension, and contraction.
- It participates in cell movement, division, and morphology.
- The cytoskeleton is responsible for mitosis and cell division.
- It is made up of polymers of polypeptides with non-covalent bonds.
- The majority of the dynamics occur at the ends of filaments.
- There are three types of filaments: microfilaments, microtubules, and intermediate filaments.
- Microfilaments are made of actin and are approximately 8nm.
- Microtubules are made of tubulin and are approximately 25nm.
- Intermediate filaments are approximately 10nm.
Test your knowledge on the fascinating world of the cytoskeleton with our quiz! Learn about the active mechanical forces that contribute to cell movement, division, and morphology. Explore the different types of filaments and their specific functions within the cytoskeleton. Challenge yourself to identify the polymers that make up each filament and their respective sizes. Sharpen your understanding of the dynamic nature of the cytoskeleton and how it supports the cell membrane. Take this quiz to become a cytoskeleton expert!
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