Examlex
Describe the structure of the gills and explain another role they serve, in addition to being respiratory organs.
Mitochondrion
A membrane-bound organelle found in most eukaryotic cells, responsible for producing energy through cellular respiration.
Sister Chromatids
Identical copies of a single chromosome that are connected by a centromere, formed during the cell cycle's DNA replication phase.
Chromatin
The substance within a cell nucleus, composed of DNA and protein, that condenses to form chromosomes during cell division.
Telophase
A phase of cell division in mitosis and meiosis where chromosomes arrive at opposite poles of the cell and begin to decondense, leading to the formation of two new nuclear membranes.
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