adn bacteriophages biochemicalgenetics biosynthesis chromosomereplication chromosomes collectedworks complexesmultiprotéiques congresses dna dna-directeddnapolymerase dnarepair experiments history medicalgenetics metabolism molecularbiology multiproteincomplexes mutation nucleotides physiology qu475d6292006 qu58g3281983 qu58n111d1977 qw161m7181988 réplication synthesis virusreplication