div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=page3-9-dna-is-composed-of-an-ordered-series-of-four-chemical-structures-calledhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: page3 9DNA is composed of an ordered series of four chemical structures called nucleotide n bases: adenine thymine cytosine and guanine which are abbreviated A T C loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentinreader033viewer20220424055f1e01253cf2d927c464340fhtml5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=page3-9-dna-is-composed-of-an-ordered-series-of-four-chemical-structures-calledhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: page3 9DNA is composed of an ordered series of four chemical structures called nucleotide n bases: adenine thymine cytosine and guanine which are abbreviated A T C loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentinreader033viewer20220424055f1e01253cf2d927c464340fhtml5thumbnails2jpg width=140 height=200 divdiv