Is God willing to prevent evil, but not able? Then he is not omnipotent. Is he able, but not willing? Then he is malevolent. Is he both able and willing? Then whence cometh evil? Is he neither able nor willing? Then why call him God?
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[[DNA]] has four bases: adenine, thymine, guanine, and cytosine (ATGC). Adenine always pairs with thymine (AT), and guanine always pairs with cytosine (GC).
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[[RNA]] bases are the same, except that uracil replaces thymine. There are cases where RNA does not conform to normal Watson-Crick base pairing.