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Multiple Choice
Using the map above, which of the following is NOT a component of the cytoskeleton in eukaryotic cells?
A
Intermediate filaments.
B
Microtubules.
C
Tight junctions.
D
Microfilaments.
Verified step by step guidance
1
Understand the components of the cytoskeleton in eukaryotic cells. The cytoskeleton is composed of three main types of protein filaments: microfilaments, intermediate filaments, and microtubules.
Microfilaments are primarily composed of actin and are involved in cell movement and shape maintenance.
Intermediate filaments provide mechanical support for the cell and help maintain its integrity.
Microtubules are cylindrical structures made of tubulin that are involved in cell division, intracellular transport, and structural support.
Recognize that tight junctions are not part of the cytoskeleton. They are specialized connections between adjacent cells that prevent the passage of materials between them, thus not contributing to the structural framework of the cell.