What is acetic orcein and what structure does it stain?

Biochemistry
6th Edition
ISBN:9781305577206
Author:Reginald H. Garrett, Charles M. Grisham
Publisher:Reginald H. Garrett, Charles M. Grisham
Chapter29: Transcription And The Regulation Of Gene Expression
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What is acetic orcein and what structure does it stain?

Orcein contains different phenazones, which, at acid pH binds with negatively charged (phosphate) groups of DNA and possibly also interacts hydrophobically with chromatin

Orcein contains different phenazones, which, at basic pH binds with negatively charged (phosphate) groups of protein and possibly also interacts hydrophobically with chromatin

Orcein contains different phenazones, which, at acid pH binds with negatively charged (phosphate) groups of DNA and possibly also interacts hydrophilically with chromatin

Orcein contains different phenazones, which, at acid pH with negatively charged (phosphate) groups of protein and possibly also interacts hydrophobically with chromatin

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