1.

What is a nucleotide? How is it formed? Mention the names of all nucleotides.

Answer»

1. Nucleotide is a unit which consists of a sugar, phosphate and a base. Nucleotides are basic units of nucleic acids. 

2. The nitrogen base and a sugar form a nucleoside. In a nucleoside, nitrogenous base is attached to the first carbon atom (C-1) of the sugar and when a phosphate group gets attached with that of the carbon (C-5) atom of the sugar molecule a nucleotide molecule is formed. 

3. The names of all nucleotides are:

 Base Nucleotides of RNA Nucleotides of DNA
 Adenine Adenylate Deoxydenylate
 Guanine Guanylate Deoxyguanylate
 Cytosine Cytidylate Deoxy cytidylate
 Thymine .....  Deoxythymidylate
  Uracil Uridylate  ........


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