Complex sentence: Biology reveals complex information encoded in all aspects of nature in the form of self-replicating molecules (DNA) which are composed of smaller molecules stacked on top of one another paired together in the form a helix.
Split into simpler sentences: Biology reveals complex information encoded in all aspects of nature. Detail of life is written in self-replicating molecules (DNA) which are composed of smaller molecules stacked on top of one another paired together in the form a helix.