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Q. ATP is a

AFMCAFMC 2007

Solution:

A nucleotide contains
(a) a $5-C$ sugar,
(b) a phosphate molecule and
(c) a nitrogenous base.
ATP is a nucleotide. It also has a $5-C$ sugar (ribose), $3$ phosphate molecules and a nitrogenous base (adenine).
image
Adenine + sugar (ribose) $⟶$ Adenosine
Adenosine $+1$ phosphate $⟶$ Adenosine Mono Phosphate (AMP)
AMP $+1$ phosphate $ ⟶$ Adenosine Di Phosphate (ADP)
ADP $+1$ phosphate $⟶$ Adenosine Tri Phosphate (ATP)