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The characteristic grouping of microtubules that forms during nuclear division
publish date: 2026/06/16 11:03:15.558077 UTC
During mitosis, a specialized structure made of microtubules forms and plays a critical role in separating chromosomes.
This structure is called the (1).
Please drag and drop the selected option in the right place or type it instead
centromere
nucleolus
aster
spindle
Correct Answer
(1) spindle
Explanation
The spindle is the characteristic grouping of microtubules that forms during nuclear division. It extends from pole to pole through the cell's interior and helps to align and move chromosomes. In animal cells, asters radiate from the centrioles at each pole. In higher plant cells, a spindle still forms even though centrioles and asters are absent.
Reference
Biology: A Self-Teaching Guide