A nucleotide consists of three things: A nitrogenous base, which can be either adenine, guanine, cytosine, or thymine (in the case of RNA, thymine is replaced by uracil). A five-carbon sugar, called deoxyribose because it is lacking an oxygen group on one of its carbons. One or more phosphate groups.
<span> nuclear: Classify the </span>different energy sources <span>from the table according to whether they are renewable.</span>
small leaves protect desert plants from animals that eat plants.
