Show why acetylation of the histone prevents it from interacting with DNA.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Histones can be acetylated: acetyl (CH3CO) groups are attached to the amines.
When it is time to transcribe DNA (to produce a needed protein), the histones need
DNA-Protein Complexes
Histones tightly bind to the DNA preventing transcription.
to unwind from the DNA.
histone protein
nd u
HN
HN
NH3
NH3
HN.
H3N.
-NH3
acetylation
H3N-
-NH3
H3N
NH3
NH
O NH3
NH
Show why acetylation of the histone prevents it from interacting with DNA.
Transcribed Image Text:Histones can be acetylated: acetyl (CH3CO) groups are attached to the amines. When it is time to transcribe DNA (to produce a needed protein), the histones need DNA-Protein Complexes Histones tightly bind to the DNA preventing transcription. to unwind from the DNA. histone protein nd u HN HN NH3 NH3 HN. H3N. -NH3 acetylation H3N- -NH3 H3N NH3 NH O NH3 NH Show why acetylation of the histone prevents it from interacting with DNA.
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