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The sides of the DNA molecule, the rails of the ladder, are composed of
a. phosphates only.
b. nitrogenous bases only.
c. phosphates and sugars.
d. nitrogenous bases and sugars.

Respuesta :

hunteraurelio
the answer is phosphates and sugars
Mobster
The answer is C. The sides of the DNA molecule, the rails of the ladder, are composed of phosphates and sugars. 

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