Academic Integrity: tutoring, explanations, and feedback — we don’t complete graded work or submit on a student’s behalf.

Epigenetic modification a. binds to DNA to form the nucleosome core particles. b

ID: 26579 • Letter: E

Question

Epigenetic modification a. binds to DNA to form the nucleosome core particles. b. is the region of a bacterial cell that contains the bacterial chromosome. c. is the region of the nucleus occupied by a particular chromosome. d. is the complex containing two H2A/H2B dimers and two H3/H4 dimers, around which 146 bp of DNA are wrapped. e. promotes the formation of either euchromatin or heterochromatin. f. is the darkly stained region of compacted chromosomes (heterochromatin) that have been stained with Giemsa.

Explanation / Answer

e In general, epigenetic modification is any process that affects gene expression without changes in the underlying DNA sequence.