5. Concerning the nitrogen containing bases that
participate in nucleotides,
what is the difference
between DNA and RNA?

Gap-fill exercise

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In DNA can be formed of
adenine (), thymine (), cytosine ()
or guanine (). In RNA nucleotides can
also contain adenine (A), cytosine (C) or
guanine (G), however, instead of
thymine () there is uracil().