Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


The pairing of the bases produces a long, two-stranded molecule that is often compare to a zipper. If you look at a zipper, the sides of the zipper represent the sugar and phosphate units, while the teeth of the zipper represent the pairs of nitrogenous bases of the DNA.
0 0 0
Comparing the different nitrogenous bases bond to each other in zipper pattern . you have the sugar , phosphate , and bases , and different bases line up on opposite side of the helix.
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts