(A) Enzymes (X)
(B) Nitrogenous bases ()
(C) Carbohydrates (X)
(D) Lipids (X)
Answers: Purines and pyrimidines are Nitrogenous bases.
(A) Enzymes (X)
(B) Nitrogenous bases ()
(C) Carbohydrates (X)
(D) Lipids (X)
Answers: Purines and pyrimidines are Nitrogenous bases.
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