mathews3785 mathews3785

09-08-2019
Biology

contestada

What are epigenetic modifications?

the addition of reversible changes to histone proteins and DNA
the removal of nucleosomes from the DNA
the addition of more nucleosomes to the DNA
mutation of the DNA sequence

Respuesta :

llannutti llannutti

18-08-2019

Answer:

This are epigenetic modification: a, b and c. (changes on histones, removal and nucleosomes formation.

Explanation:

Histone modification is a key step in genomic regulation. Activation of histones leads DNA to form new nucleosomes, which low transcription levels in this zone.

On the other hand, deactivation of histones removes those nucleosomes, permitting DNA to be transcripted.

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kawaiilion13 kawaiilion13

14-04-2020

Answer:

The addition of more nucleosomes to the DNA.

Explanation:

Answer Link

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