The first three are the same as those found in DNA, but in RNA thymine is replaced by uracil as the base complementary to adenine. This base is also a pyrimidine and is very similar to thymine. Uracil is energetically less expensive to produce than thymine, which may account for its use in RNA.
The environment selected is favorable to ponies with longer legs.
<span>Hooke had been viewing the cell walls in cork tissue.</span>
Answer:
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