Hoogsteen Base-Pairing Occurs When a Third Strand of DNA Binds

question 6

Multiple Choice

Hoogsteen base-pairing occurs when a third strand of DNA binds along the _____ of a double helix of DNA.

• A) minor groove
• B) major groove
• C) free 5'end
• D) free 3'end
• E) Any of these parts of a DNA double helix could participate in a Hoogsteen interaction.

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