44.4k views
0 votes
What are the rungs of the dna ladder made of?

User Wileymab
by
7.7k points

1 Answer

6 votes
The sides of the ladder are made of alternating sugar and phosphate molecules. The sugar is deoxyribose. The rungs of the ladder are pairs of 4 types of nitrogen bases. Hope this answers the question. Have a nice day.
User Lonnie Best
by
7.8k points