Practice question
Question
An animal-cell organelle contains two cylindrical structures positioned perpendicular to one another. They are surrounded by amorphous material, and each cylinder shows a cartwheel-like organisation.
Which interpretation is correct?
Explanation
A centrosome usually contains two perpendicular cylindrical centrioles surrounded by amorphous pericentriolar material. Each centriole possesses a cartwheel-like organisation formed from peripheral triplets and radial spokes.
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