Option C. the larger A pairs with the smaller T, and the larger G pairs with the smaller C.
I would choose the option D.
D. It remains tightly coiled at the G1 phase.
<span>Taxonomy is the classification or grouping of organisms into groups, based on shared or similar characteristics. The criteria used for including an organism in a group can be controversial. An example of a taxon is the class Reptilia.</span>
