asked 192k views
2 votes
What characteristic of the subunits allows for a uniform diameter of the double helix?

1 Answer

6 votes

The diameter of the DNA double helix is uniform throughout because a purine (two rings) always pairs with a pyrimidine (one ring) and their combined lengths are always equal.

answered
User Abhay Koradiya
by
8.6k points
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.