Q: What distinctive dna shape forms when the two nucleotide chains wrap around the same axis?


Read this paragraph and choose the correct option from the provided answers:

Simple Model of DNA. In this simple model of DNA, each line represents a nucleotide chain. The double helix shape forms when the two chains wrap around the same axis.

 Choices:

- single spiral

- chain helix

- double spiral

- double helix


A:
double helix