double helix of dna spilling onto histone proteins forms a superspread chromosome. dna replication on white. education in

abstract anatomy background biochemistry biology biotechnology black cell chromosome code concept decoration design diagram dna double education evolution forms fragment gene genetic genome graphic health helix histone human icon illustration info isolated izaak laboratory life ligate medical medicine model modern molecular molecule onto polymerase process protein proteins replication research rna science scientific spilling spiral structure style superspread template vector white