In the DNA double helix structure, guanine selectively pairs with cytosine because:

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Chemistry · Biochemistry

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Guanine forms a stable network of three hydrogen bonds with cytosine.

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Answer 1

Guanine does not form hydrogen bonds with cytosine.

Answer 2

Guanine forms only a single hydrogen bond with cytosine.

Answer 3

Guanine forms a strong ionic bond with cytosine.

Answer 4

Guanine forms a stable network of three hydrogen bonds with cytosine.

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