Unity and Diversity A.2 Nucleic Acids (id: 6900c3ccd)

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 nucle/o+-)dem zvn gosd :rlzwg c7fw7.s/q0qd m;l )nomes.

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 labels the core hid:sqshhoq )et l)m2)0stone 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 nee) l sqqh2st:md0o)h)xt, connecting nucleosomes with one another. Choice C is incorrect because 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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