___ (deoxyribonucleic acid) is a double-standard helical polymer. it contains: the ___ deoxyribose, a ___ group, and the ___ adenine, cytosine, guanine, and thymine.
DNA is a double-stranded helical polymer. It contains the sugar molecule deoxyribose, a phosphate group, and the 4 nitrogenous bases; adenine, cytosine, guanine, and thymine.
