Question

What are the nitrogenous bases when grouped together are called pyrimidines ​

Answer 1

Answer:

Nitrogenous bases present in the DNA can be grouped into two categories: purines (Adenine (A) and Guanine (G)), and pyrimidine (Cytosine (C) and Thymine (T)). These nitrogenous bases are attached to C1' of deoxyribose through a glycosidic bond. ... A nucleoside attached to a phosphate group is known as a nucleotide.

Explanation:

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Answer 2

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✦ The purine nitrogenous bases are characterized by their single amino group (NH2), at the C6 carbon in adenine and C2 in guanine.

✦ Similarly, the simple-ring structure of cytosine, uracil, and thymine is derived of pyrimidine, so those three bases are called the pyrimidine bases.

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