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Adenine and guanine are called purines because they are composed of the 2-ringed heterocyclic aromatic organic compound purine.

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

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


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 of the nitrogenous bases are pyrimidines?

Thymine and cytosine.


Which nitrogen bases in DNA are pyrimidines?

Cytosine, uracil and thymine are the three pyrimidines.


What nitrogenous bases are pyrimidines?

Pyrimidines are the single ringed structures-Cytosine and ThyminePurines are the double ringed structures- Adenine and Guanine.


What pyrimidines are found in DNA?

Uracil, cytosine, or thymine


What is Thymine and cytosine also called?

Thymine and cytosine are two nitrogen bases found in DNA. DNA is composed of thousands of nucleotides which are composed of one of four nitrogen bases. Both of these nitrogen bases are also pyrimidines, or they have one ring like structure See related link for more info on thymine, cytosine and pyrimidines.


What are the names of pyrimidines?

Cytosine and thymine. one is a double ring sugar while the other is a single ring suagr. They are complemetarily paired with purines.


The type of nitrogen base represented by thymine and cytosine?

pyrimidines


What two bases are Pyrimidines?

Thymine and Cytosine :)


How is Presence of purines and pyrimidines in DNA found?

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