Wireless headphones, two yo-yos connected by a string, earmuffs: all these items could be used to describe a tiny structure inside a cell's nucleus. For decades, scientists could only speculate about the shape of heterochromatin, a type of chromatin -- which consists of tightly packed DNA and proteins.
Wireless headphones, two yo-yos connected by a string, earmuffs: all these items could be used to describe a tiny structure inside a cell's nucleus. For decades, scientists could only speculate about the shape of heterochromatin, a type of chromatin -- which consists of tightly packed DNA and proteins.
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