Wikipedia article "Lytic_cycle" lytic cycle https://en.wikipedia.org/wiki/Lytic_cycle obligately lytic phages https://en.wikipedia.org/wiki/Lytic_cycle https://en.wikipedia.org/wiki/Lytic_cycle lytic cycle obligately lytic phages lytic pathway lytic replication obligately lytic phages lytic obligately lytic phages obligately lytic phages lytic state obligately lytic phages http://en.wikipedia.org/wiki/Lytic_cycle obligately lytic phages lytic obligately lytic phages obligately lytic phages