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D) ATP

Adenosine triphosphate (ATP) is known to be a complex organic compound that functions by providing energy to drive many biological processes in living cells. The building blocks of ATP is made up of Adenine, ribose sugar and three molecules of phosphate group. Furthermore, ATP is a molecular unit currency of intracellular energy transfer and large amount of energy is released during its hydrolysis.

Answer:

The correct answer is option D, ATP

Explanation:

The three major components of ATP i.e Adenosine triphosphate include

a) A nucleotide base – adenine which is in ring form

b)  A ribose

c) Three phosphate group

While ADP i.e Adenosine di phosphate has all its constituents similar to ATP except the “three phosphate group”. ADP has two phosphate groups. Similarly RNA and DNA also have structure similar to ATP but the number of phosphate group is not specifically three in number. Thus Option is the most prominent choice among all the given options.

 

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