Nucleic acids are complex biological molecules that store and transmit ... In DNA, two complementary strands of nucleotides pair up through hydrogen bonds between the bases (A with T and G with C) to ...

How does this gene cause the production of a string of amino acids called a protein ... Next, we turn to the regulation of genes. Genes can't control an organism on their own; rather, they ...

Hidden within the genetic code lies the "triplet code," a series of three nucleotides that determine a single amino acid. How did scientists ... two or three different bases.