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Cytosine and thymine are the nitrogenous bases used in DNA. Uracil substitutes for thymine in RNA.

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Which nitrogen bases in DNA are pyrimidines?

Cytosine, uracil and thymine are the three pyrimidines.


Which bases are considered pyrimidines?

There are three nucleobases in nucleic acids that are considered pyrimidines or pyrimidine derivatives. Uracil, cytosine, and thymine are the three pyrimidines.


How many resonance structures of pyrimidines are there?

There are three resonance structures of pyrimidines. These structures involve the delocalization of electrons within the aromatic ring of the molecule, leading to different arrangements of double bonds.


Purines and pyrimidines are?

Purines and pyrimidines are nitrogen bases found in DNA and RNA .They are nitrogen containing heterocyclic compounds .Purines are large double ringed while pyrimidines are small single ringed .


What Contains pyrimidines?

Various medications and dietary supplements contains pyrimidines. Pyrimidines are important components to HIV therapeutics, the thiamine vitamin, and the narcotic barbitone.


How do purines differ from pyrimidines?

Purines and pyrimidines are the building blocks of nucleic acids. The difference between purines and pyrimidines is in the number of carbon-rings present. Pyrimidines contain one carbon-ring while purines have two.


How is Presence of purines and pyrimidines in DNA found?

Adenine and Guanine are purines, and Thymine and Cytosine are pyrimidines.


What are the two types nucleotides?

The two main types of nucleotides are purines and pyrimidines. Purines include adenine (A) and guanine (G), while pyrimidines consist of cytosine (C), thymine (T), and uracil (U) in RNA. These nucleotides serve as the building blocks of nucleic acids, DNA and RNA, playing crucial roles in genetic information storage and transfer.


How are pyrimidines different from the purines?

Pyrimidines (cytosine, thymine, uracil) have a single-ring structure, while purines (adenine, guanine) have a double-ring structure. Purines always pair with pyrimidines in DNA and RNA bases. Additionally, purines are larger molecules compared to pyrimidines.


What belong to the class of nitrogenous bases called pyrimidines?

The pyrimidines are a class of nitrogenous bases that includes cytosine, thymine, and uracil. These bases are found in nucleic acids like DNA and RNA, where they pair with complementary purines to form the building blocks of genetic information.


Which one is purines and pyrimidines are bigger?

Purines because purines have two rings where as pyrimidines have only one ring.


Which nitrogenous bases are the pyrimidines and which are the purines?

Cytosine, thymine and uracil are the pyrimidines in animal usage.