Biology / Bio 0265 · Atom · ~20 seconds
Chromatin and Chromosomes
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A chromosome is a DNA-containing nuclear structure; chromatin is that same material, DNA bound to protein, condensed or loosely unwound.
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A human cell's 46 chromosomes look distinct only when the cell readies to divide; otherwise they exist as decondensed chromatin.
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Chromatin and chromosome name one material at different packing states, not two substances.