Multiple Choice
Which component of the cytoskeleton is primarily responsible for moving chromosomes during cell division?
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15. Cytoskeleton and Cell Movement
Overview of the Cytoskeleton
Multiple Choice
In an overview of the cytoskeleton, which component primarily serves as tracks for transporting vesicles and other materials within the cell?
A
Microtubules
B
Cellulose microfibrils
C
Intermediate filaments
D
Actin filaments (microfilaments)
Verified step by step guidance1
Understand the main components of the cytoskeleton: microtubules, intermediate filaments, and actin filaments (microfilaments).
Recall the primary functions of each component: microtubules provide structural support and serve as tracks for intracellular transport; intermediate filaments provide mechanical strength; actin filaments are involved in cell shape and movement.
Focus on the role related to transporting vesicles and materials inside the cell, which involves motor proteins moving along specific cytoskeletal elements.
Identify that microtubules act as tracks for motor proteins like kinesin and dynein, which carry vesicles and organelles to different parts of the cell.
Conclude that among the options, microtubules are the cytoskeletal component primarily responsible for intracellular transport.
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