A, C, G, T for short. A cell carries out a series of chemical reactions to translate a gene's sequence of bases into a protein. A cell first makes a copy of the gene, creating a single-stranded series of bases called ribonucleic acid, or RNA. That RNA molecule is taken up by a molecular factory called a ribosome, which reads the sequence of RNA and builds a corresponding protein.
( Carl Zimmer )
[ She Has Her Mother's Laugh: ]
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