Which phrase best describes chromatin
the region that joins chromatids together
single stranded DNA that cannot undergo replication
a fiber composed of DNA and protein molecules
DNA in its duplicated, tightly condensed form
Correct answer: a fiber composed of DNA and protein molecules chromatin is one of the higher levels of DNA organization. However, it is not tightly condensed and can change. Chromatin is formed by DNA and protein. Thus, the provided answer is the only, which suits.