Biology · Biochemical Techniques
Ethidium bromide (EtBr), commonly used as a DNA stain in gel electrophoresis, binds to DNA primarily by:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Binding to the terminal 5' phosphate group
- 2Attaching to the major groove via peptide bonds
- 3Binding covalently to the sugar-phosphate backbone
- 4Intercalating between the nitrogenous base pairs✓
Correct answer
Intercalating between the nitrogenous base pairs
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