<span>it has at least two effects: disrupting oxygen delivery and protecting against malaria </span><span />
These are the nitrogenous bases in a nucleotide. There are four, which you mentioned in the problem: adenine, thymine, guanine, and cytosine.
The other two parts of a nucleotide make up he backbone: sugar, deoxyribose (DNA=DEOXYRIBOnucleic acid) and the phosphate group.
Hope this helps!!
D)lipids weigh less and store more energy(gram for gram) than carbohydrates
