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Diagram of a polynucleotide is given. 1. Identify the 3 components of a nucleotide.

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Diagram of a polynucleotide is given.

1. Identify the 3 components of a nucleotide.

2. Name the purines.

3. Mention the types of linkage present in a polynucleotide.

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1. 3 components of a nucleotide: 

  • A nitrogen base
  • A pentose sugar (Ribose/ Deoxyribose)
  • Phosphate group

2. Adenine and Guanine

3. types of linkage present in a polynucleotide:

  • N-glycosidic linkage
  • Phosphoester linkage
  • Phosphodiester linkage
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