TOPIC: CHEMISTRY OF NUCLEOTIDES AND NUCLEIC ACID๐ PRACTICE QUESTION AND ANSWERQ.1. What are nucleoproteins?Ans: Nucleoproteins are conjugated proteins, characterized by presence of non-protein prosthetic group nucleic acid attached to one or more molecules of a simple protein, a basic protein histone or protamine. Nucleoproteins โNucleic acid + proteins (Histone or Protamine).Q.2. What are purines and pyrimidines?Ans: Purines and pyrimidines are heterocyclic compounds having โNโ in their molecule. They are nitrogen bases present in nucleic acids.
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