stars and stripes 2 italics the national anthem of the united states of america based on a poem written by francis scott key on september 14 1814 and set by him to the melody of the english song to anacreon in heaven officially adopted by the u s congress in 1931 examples from the web for star spangled banner expand
The two strands of DNA are held together by weak hydrogen bonds (remember, something must hold them together!) between the nitrogenous bases. The interesting (and very important) aspect of the Watson-Crick model is that these hydrogen bonds are base specific.
The enzymes responsible for adding nucleotides to the exposed DNA template bases are? DNA polymerases. As an incoming nucleotide base-pairs with it's complement on the template strand, a DNA polymerase adds it to the end of the growing daughter strand (polymer) â¦. What is the enzyme that uses one strand of DNA as a template to assemble nucleotides into a strand of RNA?