What is a key function of histones?, to condense DNA, to assist in DNA replication, to provide genetic variation, to perform DNA repair, What are the components of a nucleosome?, phosphate groups, RNA, histones, pentose molecules, DNA, chromatin, What is one difference between chromosomes and DNA?, DNA is a nucleic acid molecule; chromosomes consist of DNA and proteins, Chromosomes are macromolecules of genetic information, and DNA just copies it, Chromosomes are made up of base pairs only, while DNA is only made up of a sugar-phosphate backbone, DNA is wrapped around a histone protein, and it is made up of chromosomes, Chromatin fiber is made up of nucleosomes, which are made up of ___ wrapped around beadlike proteins called ___., histones; DNA, histones; chromosomes, DNA; histones, DNA; chromosomes.

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