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Unity and Diversity A.2 Nucleic Acids (id: de650d61f)

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admin 发表于 2024-2-15 02:06:41 | 显示全部楼层 |阅读模式
本题目来源于试卷: Unity and Diversity A.2 Nucleic Acids,类别为 IB生物学

[单选题]
Which of the following shmu y7;sl nak+*ows the come t)1k+: rdnlrrect components of one nucleosome?

A. Number of histone molecules is eight;Number of loops the DNA formed is single
B. Number of histone molecules is eight;Number of loops the DNA formed is double
C. Number of histone molecules is four;Number of loops the DNA formed is single
D. Number of histone molecules is four;Number of loops the DNA formed is double


参考答案:  B


本题详细解析:
In one nucleosome, there are eight histone byz 7+j ,s7sw8w8cuvymolecules which are basic in pH. The DNA would superccb8uz7w+w7,ys8ys jvoil around the nucleosome to form a double loop.

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