Methylene blue can be used to stain DNA because it

A) forms ionic bonds with DNA.
B) changes the pH and therefore the structure of DNA.
C) covalently bonds with DNA.
D) makes DNA electron dense.
E) is an effective fixing agent for nucleic acids.


A
Bloom's Taxonomy: Comprehension
Section: Staining
Learning Outcome: 4.14

Biology & Microbiology

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