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Comet 67P emits ancient molecular oxygen from its nucleus（图）
彗星67P 核心 分子氧
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2023/5/22
Comet 67P/Churyomov-Gerasimenko – arguably the most-studied comet in history – has yielded a cosmic surprise: It emits molecular oxygen drawn from its nucleus.
How molecular clusters in the nucleus interact with chromosomes（图）
细胞核 分子簇 染色体
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2023/6/6
A cell stores all of its genetic material in its nucleus, in the form of chromosomes, but that’s not all that’s tucked away in there. The nucleus is also home to small bodies called nucleoli — cluster...