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]
The diagram depicts nucleosom i ;7ca:semqe6r2oyqh7 /*ya.ee bf3 iaot:q) z*v0 rves.
A. Joins nucleosomes together
B. Packages DNA into nucleosomes through coiling
C. DNA replication
D. Carries genetic material
参考答案: B
本题详细解析:
Choice B is correct because X labe4xsy):yxptzh. b) c2q 3ducb,ls the core histone proteins which help package the DNA into nucleosomes through coiling.Choice A is incorrect because X is not linker DNA which extends from one nucleosome to the next, connecting nucleosomes with one another. Choice C is incorrect because enzymes carry out DNA replication, not histone proteins. Choice D is txp:y.,d 3yucb)b 2z )c4 hxsqincorrect because DNA carries genetic material, not the core histone proteins.
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