Which intracellular structure is composed of microtubules?
A) The Golgi apparatus
B) The centriole
C) The nucleolus
D) The endoplasmic reticulum
E) The nucleus
IMAT 2024 · Question 19
Q19 - Cellular structures
Pinned
The correct answer is B) The centriole.
Centrioles are made of microtubules: nine triplets arranged in a cylinder. A pair of them forms the centrosome, which organises the spindle when the cell divides.
The Golgi and ER are membranes, the nucleolus is RNA and protein, and the nucleus is wrapped in a double membrane.
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