Complex sentence: To solve this problem, synthesis of the lagging strand takes place in discontinuous nucleotide chains called Okazaki fragments, but only after the helicase has unwound a sufficient quantity of the lagging strand.
Split into simpler sentences: To solve this problem, synthesis of the lagging strand takes place in discontinuous nucleotide chains called Okazaki fragments. Lagging strand synthesis takes place after the helicase has unwound a sufficient quantity of the lagging strand.