DNA<span> is a long polymer with deoxyribose and phosphate backbone. Having four different nitrogenous bases: adenine, guanine, cytosine and thymine. </span>RNA<span> is a polymer with a ribose and phosphate backbone. Four different nitrogenous bases: adenine, guanine, cytosine, and uracil.</span><span />
false it is when someone your age pressures you to do something you dont want to do
<span>John Hunter was a Scottish surgeon, one of the most distinguished scientists and surgeons of his day</span>
Alcohol users behave differently before the drug reaches their brain
