83,371 views
23 votes
23 votes
Why do nucleotides only pair with certain other nucleotides?

User Gabssnake
by
2.5k points

2 Answers

18 votes
18 votes
Molecular structure. It is like liquids, and they only mix if the have the same things but nucleotides do the same thing.
User Greg Parker
by
3.2k points
16 votes
16 votes

Answer: Molecular structures

Explanation:

In DNA ladders, each rung is actually two bases, but each pair is paired with only one other base because of their molecular structure.

Hope this helps you.

User Oktapodia
by
2.9k points