um, have you tried looking at your text book? they usually have really good diagrams. To show a DNA strand splitting, you just show the 'unzipped' portion exposed with the helical structure...
i stuck tag-ish thing for those bits (nucleotides?) of DNA and its all sorted now...
but im sorta lost on showing stuffs lyk the DNA comin togetha after a splittin, n reactivation of trna... shud i make my model move? damn thiz stpd holiday homework...its due sooooon zomg...freakin out...