Cell Structure Components Quiz

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.