What is the relationship between DNA and Chromatin?

Question

what is the relationship between DNA and chromatin?

a)chromatin means the collection of proteins encoded by DNA

b)a chromatin is a unit od DNA whose sequence encode a protein

c)a chromatin is a DNA molecule that is separated during mitosis

d)the chromatin is the protein sturcture that separates DNA chromosomes.

e)chromatin is the combination of DNA packaged around proteins

Answer 1

e.  

chromatin = histones + DNA.  

DNA is negatively charged, histones (proteins) are positively charged and they are therefore attracted to each other.  Their function is it tighten DNA and therefore regulate its expression.

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