Condensation product of adenine, ribose and phosphoric acid is
A
None of the above
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B
Adenosine
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C
Adenine phosphate
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D
Adenylic acid
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Solution
The correct option is D Adenylic acid Adenine + Ribose
Adenine is a purine molecule and ribose is a pentose sugar. Addition of adenine to the 1’ carbon atom of the ribose sugar results in the formation of a nucleoside named adenosine.
Adenine + Ribose + Phosphoric acid
When adenosine (adenine + ribose) combines with phosphoric acid, the phosphate group attaches itself to the 5’ carbon of the ribose sugar and forms a nucleotide named adenosine monophosphate or adenylic acid.