A the appearance of DNA during interphase versus mitosis.
During interphase, the cell's DNA is not condensed and is loosely distributed. A stain for heterochromatin (which indicates the position of chromosomes) shows this broad distribution of chromatin in a mouse cell (upper left). The same stain also shows the organized, aligned structure of the chromosomes during mitosis. Scale bars = 10 microns.
This image is linked to the following Scitable pages:
Long, slender DNA molecules wind around proteins and fold in complex ways to form chromosomes. Learn how chromosomes are more than just packaging devices for DNA.
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