sentences:  These processes load newly synthesized histones onto DNA.After the deposition of histones H3-H4, nucleosomes form by the association of histone H2A-H2B.This process is thought to occur through the FACT complex, since it already associated with the replisome and is able to bind free H2A-H2B, or there is the possibility of another H2A-H2B chaperone, Nap1.