Which answer choice below correctly describes the structure of DNA? (1 point)

Question

• A sugar-phosphate backbone with nitrogen bases 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.
• Sugar-nitrogen base backbone with phosphates in the middle forming a double helix.

Answer 1

The correct answer choice that describes the structure of DNA is:

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