It would be Newton's "3rd" Law that explains why my hands hurt when I clap loudly, since this states that every action as an equal and opposite reaction.
In biochemistry, two biopolymers are antiparallel if<span> they run </span>parallel<span> to each other but with opposite alignments. An example is the two complementary strands of a </span>DNA<span>double helix, which run in opposite directions alongside each other.</span>
Choice answer D because it is fully correct