<span>The question says,' structurally DNA and RNA are similar although their three basic component differ slightly. One way DNA and RNA differ is in thier ............ DNA is a long chain polymer with deoxyribose and phosphate backbone, it has four different nitrogenous bases: thymine, adenine, cytosine and guanine. RNA is a long chain polymer with a ribose and phosphate backbone, it has four nitrogenous bases: guanine, cytosine, adenine and uracil.</span>
