What evidence do we have that, in the helical form of the DNA molecule, the base pairs are composed of one purine and one pyrimidine? - Quora
![A) Structures of CPDs formed between two pyrimidine bases. Small balls... | Download Scientific Diagram A) Structures of CPDs formed between two pyrimidine bases. Small balls... | Download Scientific Diagram](https://www.researchgate.net/profile/Fumio-Hanaoka/publication/46820281/figure/fig1/AS:306060469522432@1449981910368/A-Structures-of-CPDs-formed-between-two-pyrimidine-bases-Small-balls-represent-sugar_Q320.jpg)
A) Structures of CPDs formed between two pyrimidine bases. Small balls... | Download Scientific Diagram
![The pyrimidine bases present in DNA are:A. cytosine and adenineB. cytosine and guanineC. cytosine and thymineD. cytosine and uracil The pyrimidine bases present in DNA are:A. cytosine and adenineB. cytosine and guanineC. cytosine and thymineD. cytosine and uracil](https://www.vedantu.com/question-sets/2b663f17-d87a-499c-b8b7-587e174dfdc36418661023329401286.png)
The pyrimidine bases present in DNA are:A. cytosine and adenineB. cytosine and guanineC. cytosine and thymineD. cytosine and uracil
![Chemical structures of pyrimidine bases and zebularine, the-furanosyl... | Download Scientific Diagram Chemical structures of pyrimidine bases and zebularine, the-furanosyl... | Download Scientific Diagram](https://www.researchgate.net/publication/6209490/figure/fig1/AS:722649332346880@1549304435008/Chemical-structures-of-pyrimidine-bases-and-zebularine-the-furanosyl-ribonucleoside-of.png)