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Tropomodulin is a ___________

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in Cell Biology by (121k points)
Tropomodulin is a ___________

(a) monomer-sequestering protein

(b) capping protein

(c) monomer unit

(d) motor protein

I had been asked this question in an interview for job.

My doubt stems from Non-muscle Motility in division Cytoskeleton and Cell Motility of Cell Biology

1 Answer

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by (65.4k points)

The correct answer is:

(b) capping protein

Explanation:

Tropomodulin is a capping protein that binds to the barbed end of actin filaments and prevents further polymerization, thereby stabilizing the filament and regulating its growth. It plays a crucial role in the regulation of actin filament dynamics, especially in muscle cells, but it is also involved in non-muscle motility.

Correct Answer: (b) capping protein

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