Multiple Choice
Which of the following is not a class of intermediate filaments?
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15. Cytoskeleton and Cell Movement
Intermediate Filaments
Multiple Choice
Two intermediate filament dimers are arranged in which of the following ways to create a tetramer?
A
Parallel
B
Anti-parallel
C
End-to-End
Verified step by step guidance1
Understand the structure of intermediate filaments: Intermediate filaments are composed of protein subunits that form dimers, which are two protein molecules joined together.
Recognize the arrangement of dimers: In the context of intermediate filaments, dimers can align in different orientations to form higher-order structures.
Identify the tetramer formation: A tetramer is formed when two dimers come together. The key to forming a tetramer is the orientation of these dimers.
Differentiate between parallel and anti-parallel arrangements: In a parallel arrangement, the dimers align in the same direction. In an anti-parallel arrangement, the dimers align in opposite directions.
Apply the concept to the problem: For intermediate filaments, the correct arrangement to form a tetramer is anti-parallel, meaning the dimers are aligned in opposite directions, allowing for a stable and functional structure.
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