Answer:
There are histones in the nucleus that DNA coils around. The part of the DNA that is coiled around the histones is not accessible, and cannot be expressed in that cell. DNA that is not wrapped around a histone can be transcribed.
Explanation:
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All of the above. Good luck with the bio
Your answer would be <em><u>D. refrigerator coils keeping the refrigerator cold</u></em>