DNA Structure and Replication
Nucleosome is

an hexamer of three histones without H1 protein
an octamer of four histones without H1 protein
an octamer of four histones with H1 protein
an hexamer of three histones with H1 protein

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DNA Structure and Replication
In a typical electrophoresis experiment, larger fragments of DNA move more

quickly, so they appear nearer the top of a gel photograph
slowly, so they appear nearer the bottom of a gel photograph
quickly, so they appear nearer the bottom of a gel photograph
slowly, so they appear nearer the top of a gel photograph

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