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Question

Select the correct option:
The three structural formulae A, B and C are given here. Identify them and select the correct option.

884348_1d4d9861aefc4a149741300c435448ff.PNG

A
Adenine(N-base), Adenosine (Nucleotide), Adenylicacid (Nucleoside)
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B
Adenine(N-base), Adenosine(Nucleoside), Adenylicacid (Nucleotide)
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C
Adeposine (Nucleoside), Adenylic acid (Nucleotide), Adenine (N-base)
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D
Adenosine (Nucleoside), Adenylic acid (Nucleotide), Deoxyadenylic acid
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Solution

The correct option is C Adenine(N-base), Adenosine(Nucleoside), Adenylicacid (Nucleotide)
Basic components of the genetic material are the nucleic acids.
Structurally and nucleoside is a combination of a base or sugar and phosphate group and a nucleoside is nitrogenous base + pentose sugar.
Here we can see that this is a purine which is a nine-member, doubled ringed nitrogenous base and when ribose sugar is added it forms the nucleoside adenosine. Again when adding phosphoric acid it gets converted into adenylic acid which is a nucleoside.
So, the correct option is 'Adenine(N-base), Adenosine(Nucleoside), Adenylicacid (Nucleotide)'

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