millovelear millovelear
  • 07-01-2016
  • Biology
contestada

The center of the DNA molecule, the rungs of the ladder, are composed of
A. phosphates only.
B. nitrogenous bases only.
C. phosphates and sugars.
D. nitrogenous bases and sugars.

Respuesta :

mlevans0926
mlevans0926 mlevans0926
  • 12-10-2018
I think the answer is B. Hope this helps!! :)
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