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Nucleoside

Group the fol...

Question

Group the following as nitrogenous bases and nucleosides adenine, Cytidine, Thymine, Guanosine, Uracil and Cytosine.

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Solution

Nitrogenous bases present in the list are adenine, thymine, uracil, and cytosine.

Adenine and guanine are purines.

Thymine,uracil and Cytosine are pyrimidines.

When a nitrogenous base is linked to a sugar by glycosidic bond it forms nucleoside.

Nucleosides present in the list are cytidine and guanosine.

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Similar questions

Q. Assertion :The heterocyclic compounds in nucleic acid are the nitrogenous bases. Reason: Adenine and guanine are substituted pyrimidines while uracil, cytosine and thymine are substituted purines.

Which of the following bases is not present in DNA?
(a) Adenine (b) Thymine (c) Cytosine (d) Uracil

DNA and RNA contain four bases each. Which of the following bases is not present in RNA?
(a) Adenine (b) Uracil (c) Thymine (d) Cytosine

Statement 1: The four nitrogen bases in a DNA molecule are guanine, thymine adenine, cytosine.

Statement 2: Where adenine and thymine are purines and guanine and cytosine are pyrimidines.

Q. Which of the following is/are pyrimidine derivatives?
1.Cytosine 2. Adenine 3. Uracil 4. Thymine

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