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 nucleosome oy ko9v u jq:-f2v2a;h ,c0bwsowz. m 8p+0hceepq.) cs.
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 becausn(h-: jzucmerg r o1+.v:1tqc fahz ,5e X labels 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 f c5+zn hrz.(ua1 1c gmo,e:thrv- q:jbecause enzymes carry out DNA replication, not histone proteins. Choice D is incorrect because DNA carries genetic material, not the core histone proteins.
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