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Questions and Answers
What is the function of centrioles?
What is the function of centrioles?
Which component of the cytoskeleton is involved in determining cell shape?
Which component of the cytoskeleton is involved in determining cell shape?
What is the primary function of intermediate filaments?
What is the primary function of intermediate filaments?
Which structure is composed of 9 sets of microtubules?
Which structure is composed of 9 sets of microtubules?
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What is the function of microtubules related to cilia and flagella?
What is the function of microtubules related to cilia and flagella?
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Study Notes
Centrioles Function
- Centrioles play a critical role in cell division by organizing the mitotic spindle.
- These cylindrical structures facilitate the proper segregation of chromosomes during mitosis and meiosis.
Cytoskeleton and Cell Shape
- The cytoskeleton component primarily responsible for determining cell shape is microfilaments, also known as actin filaments.
- Microfilaments provide mechanical support and maintain cell structure, adapting to various cellular movements.
Intermediate Filaments Function
- Intermediate filaments provide structural stability and support to cells, helping to resist mechanical stress.
- They anchor organelles and maintain the integrity of the cell shape, particularly in tissues under stress, like muscle and epithelial tissues.
Microtubule Structure
- The structure composed of 9 sets of microtubules is known as a basal body.
- Basal bodies are involved in the organization of cilia and flagella, aiding in their formation and anchoring.
Microtubules and Motility
- Microtubules are essential for the movement of cilia and flagella, facilitating cell motility through coordinated beating.
- They provide a structural framework that allows the motor proteins to transport materials along the length of these appendages, enabling effective propulsion.
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Description
Test your knowledge on centrosomes, centrioles, and cytoskeleton. Learn about the specialized functions and compositions of these essential cell structure components.
