Which answer choice below correctly describes the structure of DNA?
A sugar-phosphate backbone with
nitrogen bases in the middle forming a double helix.
Sugar-nitrogen base backbone with
phosphates in the middle forming a double helix.
Nitrogen bases on the outside with sugar-
phosphate in the middle of a double helix.
Sugar-phosphate
backbone with
nitrogen bases coming off a single helix.
1 answer
A sugar-phosphate backbone with nitrogen bases in the middle forming a double helix.