Examlex
During which one of the following phases of the cell cycle does the nucleus divide?
Hierarchical
Describing a system or organization in which people or groups are ranked one above the other according to status or authority.
Domain
(1) A structural and functional region of a protein. (2) The broadest taxonomic category; each domain includes one or more kingdoms.
Paraphyletic Group
A group of organisms that includes an ancestral species and some, but not all, of its descendants.
Common Ancestor
The most recent shared ancestor among different species or individuals from which they have descended.
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