The correct answer is:
A sugar-phosphate backbone with nitrogen bases in the middle forming a double helix.
In DNA structure, the sugar-phosphate backbone forms the outer part of the double helix, while the nitrogen bases pair in the center.
Question
Which answer choice below correctly describes the structure of DNA?(1 point)
Responses
Sugar-phosphate backbone with nitrogen bases coming off a single helix.
Sugar-phosphate backbone with nitrogen bases coming off a single helix.
Nitrogen bases on the outside with sugar-phosphate in the middle of a double helix.
Nitrogen bases on the outside with sugar-phosphate in the middle of a double helix.
Sugar-nitrogen base backbone with phosphates in the middle forming a double helix.
Sugar-nitrogen base backbone with phosphates in the middle forming a double helix.
A sugar-phosphate backbone with nitrogen bases in the middle forming a double helix.
A sugar-phosphate backbone with nitrogen bases in the middle forming a double helix.
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