1, thymine and cytosine are pyrimidines (1 ring). Purines (adenine and guanine) have 2 rings.
Adenine is a single-ringed nitrogenous base found in DNA and RNA, paired with thymine in DNA and uracil in RNA.
Pyrimidines are the single ringed structures-Cytosine and ThyminePurines are the double ringed structures- Adenine and Guanine.
Purine- double-ringed ex: adenine and guanine Pyrimidines- single-ringed ex: cytosine and thymine
purines are double ringed nitrogenous bases of DNA and RNA including adenine and guanine. the three others are cytosine and thymine( uracil is present instead of thymine in RNA) are pyrimidines. 1.nitrogen is present at 1,3,7,9 positionin in purines.
adenine and guanine are double ringed bases, that bond with thymine and cytosine (mono ringed bases). adenine bonds with thymine (double connection, whereas guanine bonds with cytosine (triple connection)
Thymine is a single-ringed nitrogenous base.
Thymine is a single-ringed nitrogenous base.
Thymine is a single-ringed nitrogenous base.
Adenine is a single-ringed nitrogenous base found in DNA and RNA, paired with thymine in DNA and uracil in RNA.
Thymine is a single-ringed nitrogenous base.
Thymine is a single-ringed nitrogenous base.
Adenine and guanine, being purines ( double ringed ) always bond with thymine and cytosine, single ringed pyrimidines.
Pyrimidines are the single ringed structures-Cytosine and ThyminePurines are the double ringed structures- Adenine and Guanine.
Adenine, guanine, cytosine and thymine. Adenine and guanine are double ringed purines and cytosine and thymine are pyrimidines of a single carbon/nitrogen ring.
Purine- double-ringed ex: adenine and guanine Pyrimidines- single-ringed ex: cytosine and thymine
Pyrimidines are the single ringed structures-Cytosine and ThyminePurines are the double ringed structures- Adenine and Guanine.
Pyrimidines, which include cytosine, thymine and uracil.andPurines, which include adenine and guanine