Adenine pairs with Thymine and Cytosine pairs with Guanine.
- DNA is a double helix composed of two long strands of nucleotides.
- In DNA, there are four classes of nucleotides, each one having one different nitrogenous bases: Adenine, Guanine, Cytosine and Thymine.
- According to the base pair rules, Adenine pairs with Thymine by two hydrogen bonds, whereas Cytosine pairs with Guanine by three hydrogen bonds.
In conclusion, Adenine pairs with Thymine and Cytosine pairs with Guanine.
Learn more in:
https://brainly.com/question/14406120