Reviewed by MedQGo Editorial Team | Last updated: July 30, 2026
Which of the following cell structures is primarily composed of microfilaments?
Acilia
Bflagella
Ccell cortex
Dnuclear lamina
Correct answer: C. cell cortex
The cell cortex, also known as the actin cytoskeleton, is mainly composed of microfilaments. Cilia and flagella are primarily made up of microtubules, nuclear lamina is a network of intermediate filaments within the nucleus.
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