Which answer choice below correctly describes the structure of DNA

Sugar phosphate backbone with nitrogen base coming off a single helix
Sugar nitrogen base backbone with phosphates in the middle forming a double helix

Nitrogen bases on the outside with sugar phosphates in the middle of a double helix
A sugar phosphate
backbone with nitrogen bases in the middle forming a double helix

1 answer

A sugar phosphate backbone with nitrogen bases in the middle forming a double helix.