Identify two structural features of purines and pyrimidines.
purines
__con...
Biology, 25.11.2019 23:31 diyagawande
Identify two structural features of purines and pyrimidines.
purines
__contain two heterocyclic rings.
__contain only two ring nitrogen atoms.
__contain four ring nitrogen atoms.
__contain one heterocyclic ring.
__contain only three ring nitrogen atoms.
pyrimidines
__contain one heterocyclic ring.
__contain four ring nitrogen atoms.
__contain only three ring nitrogen atoms.
__contain two heterocyclic rings.
__contain only two ring nitrogen atoms.
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