1.

Polynucleotides are nucleic acid. Every nucleotide is made up of three parts, i.e, a pentose sugar , a heterocyclic nitrogenous base and phosphoric acid. Depending upon the type of sugar whether, ribose or 2-deoxyribose, nucleic acid are called RNA and DNA respectively. overall there are remaining three are pyrimidines . out of these five bases, each type nucleic acid has four of them. Which of the following sets of bases is present both in DNA and RNA

Answer»

Adenine, uracil, thymine
Adenine, GUANINE, CYTOSINE
Adenine,guanine,uracil
Adenine, guanine,thymine

Solution :Adenine , guanine and cytosine are PRESENT both in DNA and RNA


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