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Differentiate between nucleoside and nucleotide. 

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Feature Nucleoside Nucleotide
Defination A molecule of a nitrogenous base is attached to a sugar. A molecule of a nitrogenous base, a sugar, and one or more phosphate groups.
Components
  1. Nitrogenous base (Purine or Pyrimidine), 
  2. Pentose sugar (Ribose or Deoxyribose)
  1. Nitrogenous base 
  2. Pentose sugar
  3. Phosphate group(s)
Function Building blocks of nucleotides, precursors for nucleotide formation It forms the structural units of DNA and RNA, involved in energy transfer (e.g., ATP)
Example
  1. Adenosine (Adenine + Ribose)
  2. Guanosine
  1. ATP (Adenosine triphosphate)
  2. dGTP (deoxyguanosine triphosphate)
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Saniya Khatri

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