mu4ngCh7eriepigle mu4ngCh7eriepigle

02-03-2017
Social Studies

contestada

The nitrogen bases cytosine and thymine are
a.purines.
b.a phosphate group.
c. a sugar group
d. pyrimidines

Respuesta :

Аноним Аноним

02-03-2017

D. pyrimidines......

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