DNA is twisted double ____. DNA is made up of subunits called ____. Each subunit is made up of a deoxyribose sugar, phosphate and a ____. DNA has ____ different bases. Adenine, thymine, cytosine and guanine. The base pair rule means that adenine pairs with ____ and ____ pairs with guanine. The bases are held together by ____ bonds. DNA is stored in the ____ of a cell.

DNA Structure

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